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Your translated search: 4-nitrophenol = 589 reactions were found.
State Icon Reaction EC-Number Conf. maximal confidence score from EnzymeDetector PW
4-nitrophenyl_phosphate + H2O <=> 4-nitrophenol + phosphate + H+ 3.1.16.1 spleen exonuclease
3.1.22.1 deoxyribonuclease II
3.1.3.1 alkaline phosphatase
3.1.3.10 glucose-1-phosphatase
3.1.3.16 protein-serine/threonine phosphatase
3.1.3.18 phosphoglycolate phosphatase
3.1.3.2 acid phosphatase
3.1.3.23 sugar-phosphatase
3.1.3.24 sucrose-phosphate phosphatase
3.1.3.25 inositol-phosphate phosphatase
3.1.3.26 4-phytase
3.1.3.29 N-acylneuraminate-9-phosphatase
3.1.3.3 phosphoserine phosphatase
3.1.3.31 nucleotidase
3.1.3.32 polynucleotide 3'-phosphatase
3.1.3.36 phosphoinositide 5-phosphatase
3.1.3.38 3-phosphoglycerate phosphatase
3.1.3.39 streptomycin-6-phosphatase
3.1.3.4 phosphatidate phosphatase
3.1.3.41 4-nitrophenylphosphatase
3.1.3.43 [pyruvate dehydrogenase (acetyl-transferring)]-phosphatase
3.1.3.44 [acetyl-CoA carboxylase]-phosphatase
3.1.3.48 protein-tyrosine-phosphatase
3.1.3.5 5'-nucleotidase
3.1.3.51 dolichyl-phosphatase
3.1.3.58 sugar-terminal-phosphatase
3.1.3.6 3'-nucleotidase
3.1.3.7 3'(2'),5'-bisphosphate nucleotidase
3.1.3.72 5-phytase
3.1.3.73 adenosylcobalamin/alpha-ribazole phosphatase
3.1.3.74 pyridoxal phosphatase
3.1.3.75 phosphoethanolamine/phosphocholine phosphatase
3.1.3.76 lipid-phosphate phosphatase
3.1.3.8 3-phytase
3.1.3.9 glucose-6-phosphatase
3.1.4.16 2',3'-cyclic-nucleotide 2'-phosphodiesterase
3.1.4.2 glycerophosphocholine phosphodiesterase
3.1.4.37 2',3'-cyclic-nucleotide 3'-phosphodiesterase
3.1.4.4 phospholipase D
3.1.4.46 glycerophosphodiester phosphodiesterase
3.1.7.6 farnesyl diphosphatase
3.11.1.1 phosphonoacetaldehyde hydrolase
3.6.1.11 exopolyphosphatase
3.6.1.5 apyrase
3.6.1.7 acylphosphatase
3.6.1.9 nucleotide diphosphatase
3.9.1.1 phosphoamidase
3.9.1.3 phosphohistidine phosphatase
5.4.2.6 beta-phosphoglucomutase
7.2.2.13 Na+/K+-exchanging ATPase
7.6.2.1 P-type phospholipid transporter



















































BK
4-nitrophenol + NADH + O2 + H+ <=> 4-nitrocatechol + NAD+ + H2O 1.14.13.29 4-nitrophenol 2-monooxygenase

MK
4-nitrophenol + O2 + NADPH + H+ <=> 1,4-benzoquinone + nitrite + H2O + NADP+ 1.14.13.167 4-nitrophenol 4-monooxygenase
1.14.13.210 4-methyl-5-nitrocatechol 5-monooxygenase


MK
4-nitrophenyl_butyrate + H2O <=> 4-nitrophenol + Butyrate + H+ 2.3.1.43 phosphatidylcholine---sterol O-acyltransferase
3.1.1.1 carboxylesterase
3.1.1.101 poly(ethylene terephthalate) hydrolase
3.1.1.108 iron(III)-enterobactin esterase
3.1.1.113 ethyl acetate hydrolase
3.1.1.13 sterol esterase
3.1.1.14 chlorophyllase
3.1.1.2 arylesterase
3.1.1.22 hydroxybutyrate-dimer hydrolase
3.1.1.23 acylglycerol lipase
3.1.1.3 triacylglycerol lipase
3.1.1.32 phospholipase A1
3.1.1.34 lipoprotein lipase
3.1.1.41 cephalosporin-C deacetylase
3.1.1.5 lysophospholipase
3.1.1.55 acetylsalicylate deacetylase
3.1.1.56 methylumbelliferyl-acetate deacetylase
3.1.1.6 acetylesterase
3.1.1.60 bis(2-ethylhexyl)phthalate esterase
3.1.1.67 fatty-acyl-ethyl-ester synthase
3.1.1.7 acetylcholinesterase
3.1.1.72 acetylxylan esterase
3.1.1.73 feruloyl esterase
3.1.1.74 cutinase
3.1.1.75 poly(3-hydroxybutyrate) depolymerase
3.1.1.76 poly(3-hydroxyoctanoate) depolymerase
3.1.1.79 hormone-sensitive lipase
3.1.1.88 pyrethroid hydrolase
3.1.2.12 S-formylglutathione hydrolase
3.1.2.2 palmitoyl-CoA hydrolase
3.1.2.20 acyl-CoA hydrolase
3.1.8.1 aryldialkylphosphatase
3.5.1.46 6-aminohexanoate-oligomer exohydrolase
3.7.1.2 fumarylacetoacetase


































4-nitrophenyl-beta-D-glucopyranoside + H2O <=> 4-nitrophenol + D-glucose + H+ 3.1.1.72 acetylxylan esterase
3.1.1.73 feruloyl esterase
3.2.1.104 steryl-beta-glucosidase
3.2.1.108 lactase
3.2.1.112 2-deoxyglucosidase
3.2.1.118 prunasin beta-glucosidase
3.2.1.119 vicianin beta-glucosidase
3.2.1.120 oligoxyloglucan beta-glycosidase
3.2.1.123 endoglycosylceramidase
3.2.1.126 coniferin beta-glucosidase
3.2.1.133 glucan 1,4-alpha-maltohydrolase
3.2.1.14 chitinase
3.2.1.147 thioglucosidase
3.2.1.149 beta-primeverosidase
3.2.1.161 beta-apiosyl-beta-glucosidase
3.2.1.165 exo-1,4-beta-D-glucosaminidase
3.2.1.168 hesperidin 6-O-alpha-L-rhamnosyl-beta-D-glucosidase
3.2.1.175 beta-D-glucopyranosyl abscisate beta-glucosidase
3.2.1.176 cellulose 1,4-beta-cellobiosidase (reducing end)
3.2.1.182 4-hydroxy-7-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl glucoside beta-D-glucosidase
3.2.1.186 protodioscin 26-O-beta-D-glucosidase
3.2.1.188 avenacosidase
3.2.1.191 ginsenosidase type III
3.2.1.192 ginsenoside Rb1 beta-glucosidase
3.2.1.193 ginsenosidase type I
3.2.1.194 ginsenosidase type IV
3.2.1.20 alpha-glucosidase
3.2.1.206 oleuropein beta-glucosidase
3.2.1.21 beta-glucosidase
3.2.1.23 beta-galactosidase
3.2.1.25 beta-mannosidase
3.2.1.3 glucan 1,4-alpha-glucosidase
3.2.1.31 beta-glucuronidase
3.2.1.37 xylan 1,4-beta-xylosidase
3.2.1.38 beta-D-fucosidase
3.2.1.39 glucan endo-1,3-beta-D-glucosidase
3.2.1.4 cellulase
3.2.1.40 alpha-L-rhamnosidase
3.2.1.45 glucosylceramidase
3.2.1.52 beta-N-acetylhexosaminidase
3.2.1.55 non-reducing end alpha-L-arabinofuranosidase
3.2.1.58 glucan 1,3-beta-glucosidase
3.2.1.6 endo-1,3(4)-beta-glucanase
3.2.1.62 glycosylceramidase
3.2.1.74 glucan 1,4-beta-glucosidase
3.2.1.75 glucan endo-1,6-beta-glucosidase
3.2.1.86 6-phospho-beta-glucosidase
3.2.1.91 cellulose 1,4-beta-cellobiosidase (non-reducing end)
3.2.1.99 arabinan endo-1,5-alpha-L-arabinanase
3.2.1.B26
3.2.1.B28
3.2.1.B31
3.2.1.B33
3.2.1.B34
3.2.1.B35
3.2.1.B40
3.2.1.B41
3.7.1.4 phloretin hydrolase


























































p-nitrophenyl-alpha-L-arabinofuranoside + H2O <=> 4-nitrophenol + L-arabinose + H+ 3.1.1.73 feruloyl esterase
3.2.1.126 coniferin beta-glucosidase
3.2.1.193 ginsenosidase type I
3.2.1.21 beta-glucosidase
3.2.1.37 xylan 1,4-beta-xylosidase
3.2.1.40 alpha-L-rhamnosidase
3.2.1.55 non-reducing end alpha-L-arabinofuranosidase
3.2.1.58 glucan 1,3-beta-glucosidase
3.2.1.8 endo-1,4-beta-xylanase
3.2.1.99 arabinan endo-1,5-alpha-L-arabinanase
3.2.1.B28











4-nitrophenyl_palmitate + H2O <=> 4-nitrophenol + palmitate + H+ 3.1.1.1 carboxylesterase
3.1.1.13 sterol esterase
3.1.1.14 chlorophyllase
3.1.1.2 arylesterase
3.1.1.23 acylglycerol lipase
3.1.1.3 triacylglycerol lipase
3.1.1.5 lysophospholipase
3.1.1.72 acetylxylan esterase
3.1.1.73 feruloyl esterase
3.1.1.74 cutinase
3.1.1.75 poly(3-hydroxybutyrate) depolymerase
3.1.1.79 hormone-sensitive lipase












p-nitrophenyl_5''-nucleotide + H2O <=> nucleoside_5''-monophosphate + 4-nitrophenol + H+ 3.6.1.24 nucleoside phosphoacylhydrolase

bis-p-nitrophenyl_phosphate + H2O <=> H+ + 4-nitrophenyl_phosphate + 4-nitrophenol 3.1.16.1 spleen exonuclease
3.1.22.1 deoxyribonuclease II
3.1.26.11 tRNase Z
3.1.3.5 5'-nucleotidase
3.1.4.1 phosphodiesterase I
3.1.4.16 2',3'-cyclic-nucleotide 2'-phosphodiesterase
3.1.4.17 3',5'-cyclic-nucleotide phosphodiesterase
3.1.4.39 alkylglycerophosphoethanolamine phosphodiesterase
3.1.4.4 phospholipase D
3.1.4.46 glycerophosphodiester phosphodiesterase
3.1.4.56 7,8-dihydroneopterin 2',3'-cyclic phosphate phosphodiesterase
3.1.5.B1
3.6.1.9 nucleotide diphosphatase
3.6.2.1 adenylylsulfatase














p-nitrophenyl-alpha-L-rhamnopyranoside + H2O <=> 4-nitrophenol + L-rhamnose + H+ 3.2.1.188 avenacosidase
3.2.1.21 beta-glucosidase
3.2.1.40 alpha-L-rhamnosidase
3.2.1.52 beta-N-acetylhexosaminidase




paraoxon + H2O <=> diethyl_phosphate + 4-nitrophenol + H+ 3.1.1.1 carboxylesterase
3.1.1.2 arylesterase
3.1.1.25 1,4-lactonase
3.1.1.7 acetylcholinesterase
3.1.1.81 quorum-quenching N-acyl-homoserine lactonase
3.1.2.12 S-formylglutathione hydrolase
3.1.3.1 alkaline phosphatase
3.1.4.2 glycerophosphocholine phosphodiesterase
3.1.4.46 glycerophosphodiester phosphodiesterase
3.1.8.1 aryldialkylphosphatase
3.1.8.2 diisopropyl-fluorophosphatase











MK
methyl_parathion + H2O <=> 4-nitrophenol + dimethyl_thiophosphate + H+ 3.1.8.1 aryldialkylphosphatase

M
parathion + H2O <=> H+ + diethyl_thiophosphate + 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

MK
p-nitrophenyl_beta-D-galactofuranoside + H2O <=> D-galactofuranose + 4-nitrophenol + H+ 3.2.1.146 beta-galactofuranosidase
3.2.1.55 non-reducing end alpha-L-arabinofuranosidase
3.2.1.M10



4-nitrophenol + NADPH + O2 + H+ <=> 4-nitrocatechol + NADP+ + H2O 1.14.13.29 4-nitrophenol 2-monooxygenase

4-nitrophenol + O2 + NADH + H+ <=> 1,4-benzoquinone + nitrite + H2O + NAD+ 1.14.13.167 4-nitrophenol 4-monooxygenase

4-nitrophenyl_propionate + H2O <=> 4-nitrophenol + propionate 1.2.1.3 aldehyde dehydrogenase (NAD+)
3.1.1.1 carboxylesterase
3.1.1.13 sterol esterase
3.1.1.2 arylesterase
3.1.1.22 hydroxybutyrate-dimer hydrolase
3.1.1.3 triacylglycerol lipase
3.1.1.4 phospholipase A2
3.1.1.6 acetylesterase
3.1.1.7 acetylcholinesterase
3.1.1.72 acetylxylan esterase
3.1.1.74 cutinase
3.1.1.75 poly(3-hydroxybutyrate) depolymerase
3.1.2.12 S-formylglutathione hydrolase
3.1.2.20 acyl-CoA hydrolase
3.4.19.1 acylaminoacyl-peptidase
4.2.1.1 carbonic anhydrase
















4-nitrophenyl_pentanoate + H2O <=> 4-nitrophenol + pentanoate 3.1.1.1 carboxylesterase
3.1.1.2 arylesterase
3.1.1.22 hydroxybutyrate-dimer hydrolase
3.1.1.3 triacylglycerol lipase
3.1.1.59 juvenile-hormone esterase
3.1.1.74 cutinase
3.1.1.75 poly(3-hydroxybutyrate) depolymerase
3.1.1.79 hormone-sensitive lipase
3.4.19.1 acylaminoacyl-peptidase









4-nitrophenyl_hexanoate + H2O <=> 4-nitrophenol + hexanoate 3.1.1.1 carboxylesterase
3.1.1.112 isoamyl acetate esterase
3.1.1.13 sterol esterase
3.1.1.2 arylesterase
3.1.1.22 hydroxybutyrate-dimer hydrolase
3.1.1.23 acylglycerol lipase
3.1.1.3 triacylglycerol lipase
3.1.1.5 lysophospholipase
3.1.1.6 acetylesterase
3.1.1.73 feruloyl esterase
3.1.1.74 cutinase
3.1.1.75 poly(3-hydroxybutyrate) depolymerase
3.1.1.76 poly(3-hydroxyoctanoate) depolymerase
3.1.1.79 hormone-sensitive lipase
3.1.1.88 pyrethroid hydrolase
3.1.2.12 S-formylglutathione hydrolase
3.1.2.14 oleoyl-[acyl-carrier-protein] hydrolase
3.1.2.20 acyl-CoA hydrolase
3.4.19.1 acylaminoacyl-peptidase



















4-nitrophenyl_octanoate + H2O <=> 4-nitrophenol + Octanoate 1.1.1.1 alcohol dehydrogenase
3.1.1.1 carboxylesterase
3.1.1.108 iron(III)-enterobactin esterase
3.1.1.13 sterol esterase
3.1.1.2 arylesterase
3.1.1.23 acylglycerol lipase
3.1.1.3 triacylglycerol lipase
3.1.1.4 phospholipase A2
3.1.1.41 cephalosporin-C deacetylase
3.1.1.5 lysophospholipase
3.1.1.60 bis(2-ethylhexyl)phthalate esterase
3.1.1.72 acetylxylan esterase
3.1.1.73 feruloyl esterase
3.1.1.74 cutinase
3.1.1.75 poly(3-hydroxybutyrate) depolymerase
3.1.1.76 poly(3-hydroxyoctanoate) depolymerase
3.1.1.79 hormone-sensitive lipase
3.1.1.88 pyrethroid hydrolase
3.4.19.1 acylaminoacyl-peptidase



















4-nitrophenyl_decanoate + H2O <=> 4-nitrophenol + Decanoate 3.1.1.1 carboxylesterase
3.1.1.112 isoamyl acetate esterase
3.1.1.14 chlorophyllase
3.1.1.2 arylesterase
3.1.1.23 acylglycerol lipase
3.1.1.3 triacylglycerol lipase
3.1.1.4 phospholipase A2
3.1.1.5 lysophospholipase
3.1.1.6 acetylesterase
3.1.1.73 feruloyl esterase
3.1.1.74 cutinase
3.1.1.75 poly(3-hydroxybutyrate) depolymerase
3.1.1.76 poly(3-hydroxyoctanoate) depolymerase
3.1.1.79 hormone-sensitive lipase
3.1.1.88 pyrethroid hydrolase
3.1.2.2 palmitoyl-CoA hydrolase
3.1.2.20 acyl-CoA hydrolase

















4-nitrophenyl_laurate + H2O <=> 4-nitrophenol + laurate 3.1.1.1 carboxylesterase
3.1.1.13 sterol esterase
3.1.1.2 arylesterase
3.1.1.23 acylglycerol lipase
3.1.1.3 triacylglycerol lipase
3.1.1.4 phospholipase A2
3.1.1.5 lysophospholipase
3.1.1.6 acetylesterase
3.1.1.73 feruloyl esterase
3.1.1.74 cutinase
3.1.1.75 poly(3-hydroxybutyrate) depolymerase
3.1.1.76 poly(3-hydroxyoctanoate) depolymerase
3.1.1.79 hormone-sensitive lipase
3.1.1.88 pyrethroid hydrolase
3.1.2.20 acyl-CoA hydrolase















N-carbobenzoxy-L-tyrosine_p-nitrophenyl_ester + H2O <=> Benzyloxycarbonyl-Tyr + 4-nitrophenol 3.1.1.1 carboxylesterase
3.1.2.2 palmitoyl-CoA hydrolase
3.4.21.35 tissue kallikrein
3.4.22.32 stem bromelain
3.4.22.34 legumain
3.4.22.7 asclepain






p-nitrophenyl_beta-L-arabinoside + H2O <=> 4-nitrophenol + L-arabinose 3.2.1.21 beta-glucosidase
3.2.1.22 alpha-galactosidase
3.2.1.23 beta-galactosidase
3.2.1.88 non-reducing end beta-L-arabinopyranosidase




4-nitrophenyl-beta-D-xylopyranoside + H2O <=> 4-nitrophenol + beta-D-xylose 3.1.1.73 feruloyl esterase
3.2.1.119 vicianin beta-glucosidase
3.2.1.126 coniferin beta-glucosidase
3.2.1.161 beta-apiosyl-beta-glucosidase
3.2.1.182 4-hydroxy-7-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl glucoside beta-D-glucosidase
3.2.1.21 beta-glucosidase
3.2.1.23 beta-galactosidase
3.2.1.25 beta-mannosidase
3.2.1.31 beta-glucuronidase
3.2.1.37 xylan 1,4-beta-xylosidase
3.2.1.38 beta-D-fucosidase
3.2.1.55 non-reducing end alpha-L-arabinofuranosidase
3.2.1.62 glycosylceramidase
3.2.1.8 endo-1,4-beta-xylanase
3.2.1.99 arabinan endo-1,5-alpha-L-arabinanase
3.2.1.B26
3.2.1.B28
3.2.1.B35


















4-nitrophenyl_acetate + H2O <=> 4-nitrophenol + acetate 1.1.1.1 alcohol dehydrogenase
1.2.1.12 glyceraldehyde-3-phosphate dehydrogenase (phosphorylating)
1.2.1.3 aldehyde dehydrogenase (NAD+)
1.2.1.88 L-glutamate gamma-semialdehyde dehydrogenase
3.1.1.1 carboxylesterase
3.1.1.10 tropinesterase
3.1.1.101 poly(ethylene terephthalate) hydrolase
3.1.1.108 iron(III)-enterobactin esterase
3.1.1.11 pectinesterase
3.1.1.112 isoamyl acetate esterase
3.1.1.113 ethyl acetate hydrolase
3.1.1.13 sterol esterase
3.1.1.2 arylesterase
3.1.1.22 hydroxybutyrate-dimer hydrolase
3.1.1.23 acylglycerol lipase
3.1.1.28 acylcarnitine hydrolase
3.1.1.3 triacylglycerol lipase
3.1.1.41 cephalosporin-C deacetylase
3.1.1.45 carboxymethylenebutenolidase
3.1.1.5 lysophospholipase
3.1.1.53 sialate O-acetylesterase
3.1.1.55 acetylsalicylate deacetylase
3.1.1.56 methylumbelliferyl-acetate deacetylase
3.1.1.59 juvenile-hormone esterase
3.1.1.6 acetylesterase
3.1.1.60 bis(2-ethylhexyl)phthalate esterase
3.1.1.7 acetylcholinesterase
3.1.1.72 acetylxylan esterase
3.1.1.73 feruloyl esterase
3.1.1.74 cutinase
3.1.1.75 poly(3-hydroxybutyrate) depolymerase
3.1.1.76 poly(3-hydroxyoctanoate) depolymerase
3.1.1.79 hormone-sensitive lipase
3.1.1.88 pyrethroid hydrolase
3.1.1.98 [Wnt protein] O-palmitoleoyl-L-serine hydrolase
3.1.2.12 S-formylglutathione hydrolase
3.1.2.2 palmitoyl-CoA hydrolase
3.1.2.20 acyl-CoA hydrolase
3.1.2.25 phenylacetyl-CoA hydrolase
3.2.1.18 exo-alpha-sialidase
3.2.1.8 endo-1,4-beta-xylanase
3.4.19.1 acylaminoacyl-peptidase
3.4.21.1 chymotrypsin
3.4.21.2 chymotrypsin C
3.4.21.36 pancreatic elastase
3.4.21.4 trypsin
3.4.21.63 oryzin
3.4.21.64 peptidase K
3.5.1.104 peptidoglycan-N-acetylglucosamine deacetylase
3.5.1.11 penicillin amidase
3.5.1.13 aryl-acylamidase
3.5.1.4 amidase
3.5.1.46 6-aminohexanoate-oligomer exohydrolase
3.5.1.75 urethanase
3.5.1.86 mandelamide amidase
3.7.1.2 fumarylacetoacetase
3.7.1.7 beta-diketone hydrolase
4.2.1.1 carbonic anhydrase


























































4-nitrophenyl_tetradecanoate + H2O <=> 4-nitrophenol + myristic_acid 3.1.1.1 carboxylesterase
3.1.1.13 sterol esterase
3.1.1.3 triacylglycerol lipase
3.1.1.73 feruloyl esterase
3.1.1.74 cutinase
3.1.1.75 poly(3-hydroxybutyrate) depolymerase






p-Nitrophenyl_phenylphosphonate + H2O <=> 4-nitrophenol + phenyl_phosphonate 3.1.3.5 5'-nucleotidase
3.1.4.1 phosphodiesterase I
3.1.4.2 glycerophosphocholine phosphodiesterase
3.1.4.39 alkylglycerophosphoethanolamine phosphodiesterase
3.4.11.24 aminopeptidase S
3.6.1.9 nucleotide diphosphatase






4-nitrophenyl-alpha-L-fucopyranoside + H2O <=> 4-nitrophenol + alpha-L-fucose 3.2.1.111 1,3-alpha-L-fucosidase
3.2.1.127 1,6-alpha-L-fucosidase
3.2.1.23 beta-galactosidase
3.2.1.51 alpha-L-fucosidase
3.2.1.55 non-reducing end alpha-L-arabinofuranosidase
3.2.1.63 1,2-alpha-L-fucosidase






4-nitrophenyl_beta-D-fucoside + H2O <=> 4-nitrophenol + beta-D-fucose 3.2.1.126 coniferin beta-glucosidase
3.2.1.161 beta-apiosyl-beta-glucosidase
3.2.1.182 4-hydroxy-7-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl glucoside beta-D-glucosidase
3.2.1.21 beta-glucosidase
3.2.1.23 beta-galactosidase
3.2.1.25 beta-mannosidase
3.2.1.37 xylan 1,4-beta-xylosidase
3.2.1.38 beta-D-fucosidase
3.2.1.40 alpha-L-rhamnosidase
3.2.1.55 non-reducing end alpha-L-arabinofuranosidase
3.2.1.62 glycosylceramidase
3.2.1.B26
3.2.1.B35
3.2.1.B41














p-nitrophenyl-beta-D-glucopyranoside_6-phosphate <=> 4-nitrophenol + beta-D-glucose_6-phosphate 3.2.1.122 maltose-6'-phosphate glucosidase
3.2.1.85 6-phospho-beta-galactosidase
3.2.1.86 6-phospho-beta-glucosidase



uridine_5''-p-nitrophenylphosphate + H2O <=> 4-nitrophenol + UMP 3.1.13.3 oligonucleotidase
3.1.4.1 phosphodiesterase I
3.6.1.24 nucleoside phosphoacylhydrolase



4-nitrophenyl_alpha-D-glucopyranoside <=> 4-nitrophenol + alpha-D-glucose 2.4.1.2 dextrin dextranase
2.4.1.7 sucrose phosphorylase
3.2.1.10 oligo-1,6-glucosidase
3.2.1.112 2-deoxyglucosidase
3.2.1.123 endoglycosylceramidase
3.2.1.177 alpha-D-xyloside xylohydrolase
3.2.1.20 alpha-glucosidase
3.2.1.207 mannosyl-oligosaccharide alpha-1,3-glucosidase
3.2.1.21 beta-glucosidase
3.2.1.22 alpha-galactosidase
3.2.1.23 beta-galactosidase
3.2.1.38 beta-D-fucosidase
3.2.1.48 sucrose alpha-glucosidase
3.2.1.55 non-reducing end alpha-L-arabinofuranosidase
3.2.1.62 glycosylceramidase
3.2.1.70 glucan 1,6-alpha-glucosidase
3.2.1.93 alpha,alpha-phosphotrehalase

















p-nitrophenyl-beta-D-mannopyranoside + H2O <=> 4-nitrophenol + beta-D-mannose 3.1.1.73 feruloyl esterase
3.2.1.100 mannan 1,4-mannobiosidase
3.2.1.161 beta-apiosyl-beta-glucosidase
3.2.1.182 4-hydroxy-7-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl glucoside beta-D-glucosidase
3.2.1.21 beta-glucosidase
3.2.1.23 beta-galactosidase
3.2.1.25 beta-mannosidase
3.2.1.38 beta-D-fucosidase
3.2.1.55 non-reducing end alpha-L-arabinofuranosidase
3.2.1.78 mannan endo-1,4-beta-mannosidase
3.2.1.B28
3.2.1.B35












p-nitrophenyl_cellobiose + H2O <=> 4-nitrophenol + cellobiose 3.2.1.14 chitinase
3.2.1.176 cellulose 1,4-beta-cellobiosidase (reducing end)
3.2.1.182 4-hydroxy-7-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl glucoside beta-D-glucosidase
3.2.1.21 beta-glucosidase
3.2.1.37 xylan 1,4-beta-xylosidase
3.2.1.38 beta-D-fucosidase
3.2.1.4 cellulase
3.2.1.45 glucosylceramidase
3.2.1.58 glucan 1,3-beta-glucosidase
3.2.1.74 glucan 1,4-beta-glucosidase
3.2.1.8 endo-1,4-beta-xylanase
3.2.1.91 cellulose 1,4-beta-cellobiosidase (non-reducing end)
3.2.1.B26













4-nitrophenol + UDP-glucuronate <=> p-nitrophenyl-beta-D-glucuronide + UDP 2.4.1.17 glucuronosyltransferase

3''-phosphoadenylylsulfate + 4-nitrophenol <=> adenosine_3'',5''-bisphosphate + 4-nitrophenyl_sulfate 2.8.2.1 aryl sulfotransferase
2.8.2.14 bile-salt sulfotransferase
2.8.2.15 steroid sulfotransferase
2.8.2.2 alcohol sulfotransferase
2.8.2.22 aryl-sulfate sulfotransferase
2.8.2.3 amine sulfotransferase
2.8.2.4 estrone sulfotransferase
2.8.2.9 tyrosine-ester sulfotransferase








4-nitrophenyl_sulfate + H2O <=> 4-nitrophenol + sulfate 3.1.3.1 alkaline phosphatase
3.1.6.1 arylsulfatase
3.1.6.12 N-acetylgalactosamine-4-sulfatase
3.1.6.17 D-lactate-2-sulfatase
3.1.6.2 steryl-sulfatase
3.1.6.6 choline-sulfatase
3.1.6.8 cerebroside-sulfatase
3.1.6.B2
4.2.1.1 carbonic anhydrase









H2O + 4-nitrophenyl_N-acetyl-beta-D-glucosaminide <=> N-acetyl-beta-D-glucosamine + 4-nitrophenol 3.2.1.112 2-deoxyglucosidase
3.2.1.14 chitinase
3.2.1.165 exo-1,4-beta-D-glucosaminidase
3.2.1.169 protein O-GlcNAcase
3.2.1.23 beta-galactosidase
3.2.1.45 glucosylceramidase
3.2.1.52 beta-N-acetylhexosaminidase
3.2.1.53 beta-N-acetylgalactosaminidase
3.2.1.58 glucan 1,3-beta-glucosidase
3.2.1.62 glycosylceramidase










H2O + p-nitrophenyl-alpha-D-mannopyranoside <=> alpha-D-mannopyranose + 4-nitrophenol 3.2.1.112 2-deoxyglucosidase
3.2.1.114 mannosyl-oligosaccharide 1,3-1,6-alpha-mannosidase
3.2.1.163 1,6-alpha-D-mannosidase
3.2.1.20 alpha-glucosidase
3.2.1.209 endoplasmic reticulum Man9GlcNAc2 1,2-alpha-mannosidase
3.2.1.21 beta-glucosidase
3.2.1.23 beta-galactosidase
3.2.1.24 alpha-mannosidase








p-nitrophenyl-alpha-D-glucopyranoside_6-phosphate + H2O <=> alpha-D-glucose_6-phosphate + 4-nitrophenol 3.2.1.122 maltose-6'-phosphate glucosidase

p-Nitrophenylphosphorylcholine + H2O <=> 4-nitrophenol + phosphocholine 3.1.3.2 acid phosphatase
3.1.4.1 phosphodiesterase I
3.1.4.12 sphingomyelin phosphodiesterase
3.1.4.2 glycerophosphocholine phosphodiesterase
3.1.4.3 phospholipase C
3.1.4.38 glycerophosphocholine cholinephosphodiesterase






p-nitrophenyl_alpha-D-galactoside + H2O <=> 4-nitrophenol + alpha-D-galactose 2.4.1.7 sucrose phosphorylase
3.2.1.20 alpha-glucosidase
3.2.1.21 beta-glucosidase
3.2.1.22 alpha-galactosidase
3.2.1.23 beta-galactosidase
3.2.1.38 beta-D-fucosidase
3.2.1.49 alpha-N-acetylgalactosaminidase
3.2.1.55 non-reducing end alpha-L-arabinofuranosidase
3.2.1.62 glycosylceramidase
3.2.1.B1










4-nitrophenyl-alpha-L-arabinopyranoside + H2O <=> 4-nitrophenol + beta-L-arabinopyranose 3.2.1.161 beta-apiosyl-beta-glucosidase
3.2.1.21 beta-glucosidase
3.2.1.23 beta-galactosidase
3.2.1.37 xylan 1,4-beta-xylosidase
3.2.1.38 beta-D-fucosidase
3.2.1.55 non-reducing end alpha-L-arabinofuranosidase
3.2.1.8 endo-1,4-beta-xylanase
3.2.1.B28








4-nitrophenyl-alpha-L-idopyranosiduronate + H2O <=> 4-nitrophenol + alpha-L-iduronic_acid 3.2.1.76 L-iduronidase

p-nitrophenyl-beta-D-glucopyranoside_6-phosphate + H2O <=> 4-nitrophenol + D-glucose_6-phosphate 3.2.1.85 6-phospho-beta-galactosidase
3.2.1.86 6-phospho-beta-glucosidase


p-nitrophenyl-beta-D-glucuronide + H2O <=> 4-nitrophenol + beta-D-glucuronic_acid 3.2.1.167 baicalin-beta-D-glucuronidase
3.2.1.23 beta-galactosidase
3.2.1.31 beta-glucuronidase



4-nitrophenyl-beta-N-acetyl-D-galactosaminide + H2O <=> 4-nitrophenol + N-acetyl-beta-D-galactosamine 3.2.1.52 beta-N-acetylhexosaminidase
3.2.1.97 endo-alpha-N-acetylgalactosaminidase


p-nitrophenyl-D-maltopentaoside + H2O <=> 4-nitrophenol + maltopentaose 3.2.1.1 alpha-amylase
3.2.1.2 beta-amylase
3.2.1.54 cyclomaltodextrinase
3.2.1.60 glucan 1,4-alpha-maltotetraohydrolase
3.2.1.B8





4-nitrophenyl-beta-D-xylopyranoside + H2O <=> 4-nitrophenol + D-xylose 3.1.1.41 cephalosporin-C deacetylase
3.1.1.72 acetylxylan esterase
3.2.1.156 oligosaccharide reducing-end xylanase
3.2.1.188 avenacosidase
3.2.1.21 beta-glucosidase
3.2.1.31 beta-glucuronidase
3.2.1.37 xylan 1,4-beta-xylosidase
3.2.1.55 non-reducing end alpha-L-arabinofuranosidase
3.2.1.58 glucan 1,3-beta-glucosidase
3.2.1.72 xylan 1,3-beta-xylosidase
3.2.1.8 endo-1,4-beta-xylanase
3.2.1.91 cellulose 1,4-beta-cellobiosidase (non-reducing end)
3.2.1.B26
3.2.1.B34
3.2.1.B40















4-nitrophenyl-alpha-D-xylopyranoside + H2O <=> 4-nitrophenol + alpha-D-xylose 3.2.1.177 alpha-D-xyloside xylohydrolase
3.2.1.22 alpha-galactosidase


p-nitrophenyl-alpha-N-acetylgalactosaminide + H2O <=> 4-nitrophenol + N-acetyl-D-galactosamine 3.2.1.49 alpha-N-acetylgalactosaminidase
3.2.1.52 beta-N-acetylhexosaminidase


p-nitrophenyl-beta-D-cellotrioside + H2O <=> 4-nitrophenol + cellotriose 3.2.1.21 beta-glucosidase
3.2.1.4 cellulase


4-nitrophenyl_maltoheptaoside + H2O <=> 4-nitrophenol + maltoheptaose 3.2.1.1 alpha-amylase
3.2.1.41 pullulanase
3.2.1.98 glucan 1,4-alpha-maltohexaosidase



4-nitrophenyl_alpha-sulfoquinovoside + H2O <=> sulfoquinovose + 4-nitrophenol 3.2.1.199 sulfoquinovosidase

4-nitrophenyl + NADH + H+ + O2 <=> 4-nitrophenol + NAD+ + H2O 1.14.13.236 toluene 4-monooxygenase
1.14.13.25 methane monooxygenase (soluble)


4-nitrophenyl_alpha-D-glucopyranoside + H2O <=> 4-nitrophenol + beta-D-glucose 3.2.1.191 ginsenosidase type III
3.2.1.3 glucan 1,4-alpha-glucosidase


4-nitrophenyl-beta-D-xylopyranoside + H2O <=> 4-nitrophenol + alpha-D-xylose 3.2.1.177 alpha-D-xyloside xylohydrolase
3.2.1.37 xylan 1,4-beta-xylosidase


p-nitrophenyl_alpha-D-glucopyranosyluronic_acid + H2O <=> D-glucuronate + 4-nitrophenol + H+ 3.2.1.139 alpha-glucuronidase

2,4-dinitrophenol + NADH <=> 4-nitrophenol + nitrite + NAD+ not assigned

p-nitrophenyl_alpha-D-galactoside + H2O <=> D-galactose + 4-nitrophenol + H+ 3.2.1.22 alpha-galactosidase

4-nitrophenyl_beta-D-galactopyranoside + H2O <=> 4-nitrophenol + D-galactose + H+ 3.2.1.23 beta-galactosidase

methyl_4-nitrophenyl_phosphate + H2O <=> methanol + 4-nitrophenol + phosphate 3.1.3.1 alkaline phosphatase

4-nitrophenyl_phosphate + H2O + Cu+ <=> 4-nitrophenol + phosphate + Cu+ 7.2.2.8 P-type Cu+ transporter

4-nitrophenyl_phosphate + H2O + Cl- <=> 4-nitrophenol + phosphate + Cl- 3.6.3.11 Cl--transporting ATPase

4-nitrophenol + H2O2 <=> 4-nitrocatechol + H2O 1.11.2.1 unspecific peroxygenase

p-nitrophenyl-alpha-L-fucose + UDP-N-acetyl-D-glucosamine <=> GlcNAc-beta-1,3-fucitol + 4-nitrophenol + UDP 2.4.1.222 O-fucosylpeptide 3-beta-N-acetylglucosaminyltransferase

4-nitrophenyl_cellotrioside + H2O <=> 4-nitrophenol + cellobiose + D-glucose 3.2.1.91 cellulose 1,4-beta-cellobiosidase (non-reducing end)

4-nitrophenyl_cellopentaoside + H2O <=> 4-nitrophenol + cellobiose + D-glucose 3.2.1.91 cellulose 1,4-beta-cellobiosidase (non-reducing end)

p-nitrophenyl_cellobiose + H2O <=> 4-nitrophenol + D-glucose 3.2.1.21 beta-glucosidase

p-nitrophenyl-beta-D-glucuronide + H2O <=> 4-nitrophenol + D-glucose 3.2.1.B26

p-nitrophenyl_glucoside <=> 4-nitrophenol + D-glucose 3.2.1.3 glucan 1,4-alpha-glucosidase

Nalpha-benzyloxycarbonyl-Lys-p-nitrophenyl_ester + H2O <=> benzyloxycarbonyl-Lys + 4-nitrophenol 3.4.22.1 cathepsin B

4-nitrophenyl_acetate + CoA + NAD+ <=> 4-nitrophenol + acetyl-CoA + NADH 1.2.1.27 methylmalonate-semialdehyde dehydrogenase (CoA-acylating)

4-nitrophenol + NADH + H+ + O2 <=> 2-hydroxy-1,4-benzoquinone + Hydroxyquinol + nitrite + NAD+ + H2O 1.14.13.166 4-nitrocatechol 4-monooxygenase

4-nitrophenyl_caproate + H2O <=> 4-nitrophenol + acetate 3.1.1.79 hormone-sensitive lipase

UDP-glucose + 4-nitrophenol <=> UDP + 4-nitrophenyl-beta-D-glucopyranoside 2.4.1.218 hydroquinone glucosyltransferase
2.4.1.35 phenol beta-glucosyltransferase


UDP-glucose + 4-nitrophenol <=> UDP + p-nitrophenyl_glucoside 2.4.1.91 flavonol 3-O-glucosyltransferase

UDP-glucose + 4-nitrophenol <=> UDP + 4-nitrophenyl_O-beta-D-glucoside 2.4.1.194 4-hydroxybenzoate 4-O-beta-D-glucosyltransferase

3''-phosphoadenylyl_sulfate + 4-nitrophenyl_sulfate <=> 4-nitrophenol + adenosine_3'',5''-bisphosphate 2.8.2.1 aryl sulfotransferase

4-nitrophenyl_acetate + H2O <=> 4-nitrophenol + ethanol 3.1.1.113 ethyl acetate hydrolase

p-nitrophenyl_alpha-D-galactoside + H2O <=> 4-nitrophenol + D-galactose 3.2.1.2 beta-amylase
3.2.1.22 alpha-galactosidase
3.2.1.37 xylan 1,4-beta-xylosidase
3.2.1.47 galactosylgalactosylglucosylceramidase




p-nitrophenyl_beta-D-galactofuranoside + H2O <=> 4-nitrophenol + D-galactose 3.2.1.146 beta-galactofuranosidase

bis-p-nitrophenyl_phosphate + H2O <=> 4-nitrophenol + phosphate 3.1.3.1 alkaline phosphatase
3.1.3.2 acid phosphatase
3.1.30.1 Aspergillus nuclease S1
3.1.4.1 phosphodiesterase I
3.1.4.2 glycerophosphocholine phosphodiesterase
3.1.4.4 phospholipase D
3.4.11.24 aminopeptidase S
3.6.1.9 nucleotide diphosphatase








4-nitrophenyl_phosphate+_H2O <=> 4-nitrophenol + phosphate 3.1.3.1 alkaline phosphatase
3.1.3.2 acid phosphatase


4-nitrophenylcarbonate + H2O <=> 4-nitrophenol + CO2 3.5.1.86 mandelamide amidase

p-nitrophenyl_beta-D-ribofuranoside + H2O <=> 4-nitrophenol + beta-D-ribofuranose 3.2.2.1 purine nucleosidase

methyl_4-nitrophenyl_phosphorothioate + H2O <=> 4-nitrophenol + methyl_phosphorothioate 3.1.3.1 alkaline phosphatase

4-nitrophenyl_alpha-D-glucopyranoside + phosphate <=> 4-nitrophenol + alpha-D-glucose_1-phosphate 2.4.1.7 sucrose phosphorylase

p-nitrophenyl-beta-D-N,N''-diacetylchitobiose + H2O <=> 4-nitrophenol + N,N''-diacetylchitobiose 3.2.1.14 chitinase
3.2.1.202 endo-chitodextinase
3.2.1.52 beta-N-acetylhexosaminidase



p-nitrophenyl-N,N'',N'''',N''''''-tetraacetylchitotetraose + H2O <=> 4-nitrophenol + N,N''-diacetylchitobiose 3.2.1.14 chitinase

4-nitrophenyl_sulfate + 1-butanol <=> 4-nitrophenol + butyl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_sulfate + 9-Phenanthrol <=> 9-phenanthryl_sulfate + 4-nitrophenol 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl-beta-D-xylopyranoside + xylotriose <=> 4-nitrophenol + xylotetraose 3.2.1.37 xylan 1,4-beta-xylosidase

4-nitrophenyl_phosphate + pseudouridine <=> 4-nitrophenol + beta-pseudouridine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

3''-phosphoadenylyl_sulfate + 4-nitrophenol <=> adenosine_3'',5''-bisphosphate + p-nitrophenylsulfamate 2.8.2.3 amine sulfotransferase

4-nitrophenyl-beta-D-lactoside + H2O <=> 4-nitrophenol + lactose 3.2.1.176 cellulose 1,4-beta-cellobiosidase (reducing end)
3.2.1.91 cellulose 1,4-beta-cellobiosidase (non-reducing end)


4-nitrophenyl_beta-D-galactopyranoside + D-glucose <=> lactose + 4-nitrophenol 3.2.1.23 beta-galactosidase

4-nitrophenyl_beta-lactoside + H2O <=> 4-nitrophenol + lactose 3.2.1.176 cellulose 1,4-beta-cellobiosidase (reducing end)
3.2.1.91 cellulose 1,4-beta-cellobiosidase (non-reducing end)


4-nitrophenyl_lactoside + H2O <=> 4-nitrophenol + lactose 3.2.1.176 cellulose 1,4-beta-cellobiosidase (reducing end)
3.2.1.21 beta-glucosidase
3.2.1.91 cellulose 1,4-beta-cellobiosidase (non-reducing end)



p-nitrophenyl-beta-L-fucoside + H2O <=> 4-nitrophenol + beta-L-fucopyranose 3.2.1.38 beta-D-fucosidase

4-nitrophenyl-alpha-D-xylopyranoside + H2O <=> 4-nitrophenol + D-xylose 3.2.1.177 alpha-D-xyloside xylohydrolase
3.2.1.21 beta-glucosidase
3.2.1.37 xylan 1,4-beta-xylosidase
3.2.1.58 glucan 1,3-beta-glucosidase




Nalpha-CBZ-L-Gln-4-nitrophenyl_ester + H2O <=> benzyloxycarbonyl-L-Gln + 4-nitrophenol 3.4.22.7 asclepain

(+)-trans_4-nitrophenyl_crysanthemate + H2O <=> (1R,3R)-2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropanecarboxylic_acid + 4-nitrophenol 3.1.1.1 carboxylesterase

4-nitrophenyl_beta-D-galactosiduronide + H2O <=> 4-nitrophenol + beta-D-glucuronate 3.2.1.31 beta-glucuronidase

4-nitrophenyl_2-(4-methylphenyl)propanoate + H2O <=> 4-nitrophenol + 2-(4-methylphenyl)propanoate 3.1.1.3 triacylglycerol lipase

4-nitrophenyl_2-formamido-2-deoxy-beta-D-glucopyranoside + H2O <=> 2-formamido-2-deoxy-beta-D-glucopyranose + 4-nitrophenol 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl_2-glycolylamido-2-deoxy-beta-D-glucopyranoside + H2O <=> 2-glycolylamido-2-deoxy-beta-D-glucopyranose + 4-nitrophenol 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl_2-methylheptanoate + H2O <=> 4-nitrophenol + 2-methylheptanoate 3.1.1.3 triacylglycerol lipase

4-nitrophenyl_2-propionamido-2-deoxy-beta-D-glucopyranoside + H2O <=> 2-propionamido-2-deoxy-beta-D-glucopyranose + 4-nitrophenol 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl_acetate + H2O <=> 4-nitrophenol + formate 3.1.2.12 S-formylglutathione hydrolase

4-nitrophenyl_acetate + aniline <=> 4-nitrophenol + acetanilide 2.3.1.5 arylamine N-acetyltransferase

p-nitrophenyl-alpha-N-acetylglucosaminide + H2O <=> 4-nitrophenol + N-acetyl-alpha-D-glucosamine 3.1.4.45 N-acetylglucosamine-1-phosphodiester alpha-N-acetylglucosaminidase
3.2.1.50 alpha-N-acetylglucosaminidase


p-Nitrophenyl_phenylphosphonate + H2O <=> 4-nitrophenol + Phenyl_phosphate 3.1.21.1 deoxyribonuclease I

4-nitrophenyl_phenyl_phosphate + H2O <=> 4-nitrophenol + Phenyl_phosphate 3.1.4.2 glycerophosphocholine phosphodiesterase
3.1.4.3 phospholipase C
3.1.4.39 alkylglycerophosphoethanolamine phosphodiesterase



methyl_4-nitrophenyl_phenyl_(R)-phosphate + H2O <=> methyl_phenyl_phosphate + 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

methyl_4-nitrophenyl_phenyl_(S)-phosphate + H2O <=> methyl_phenyl_phosphate + 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

4-nitrophenyl_sulfate + 2-Octanol <=> 4-nitrophenol + 2-octyl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_sulfate + 2-phenylethanol <=> 4-nitrophenol + 2-phenylethyl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_sulfate + 3,5-dimethoxyphenol <=> 4-nitrophenol + 3,5-dimethoxyphenyl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_sulfate + Cyclohexanol <=> 4-nitrophenol + cyclohexyl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_sulfate + Furfuryl_alcohol <=> 4-nitrophenol + furfuryl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_sulfate + uridine <=> 4-nitrophenol + uridine_2''-sulfate 2.8.2.B5

4-nitrophenyl_sulfate + 4-Aminophenol <=> 4-nitrophenol + 4-aminophenyl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_sulfate + 4-hydroxyindole <=> 4-nitrophenol + indol-4-yl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_sulfate + resorcinol <=> 4-nitrophenol + resorcinyl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitroanisole + H2O2 <=> formaldehyde + 4-nitrophenol + H2O 1.11.2.1 unspecific peroxygenase

4-nitrophenyl_(16-methyl_sulfonyl_ester)_hexadecanoate + H2O <=> 4-nitrophenol + (16-methyl_sulfonyl_ester)_hexadecanoate 3.1.1.74 cutinase

4-nitrophenyl_phosphate + 6-Chloropurine_riboside <=> 4-nitrophenol + 6-chloro-9-(beta-D-ribofuranosyl)purine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_phosphate + uridine <=> 4-nitrophenol + 5''-UMP 2.7.1.77 nucleoside phosphotransferase

5''-p-nitrophenyluridine_5''-phosphate + H2O <=> 5''-UMP + 4-nitrophenol 3.1.4.1 phosphodiesterase I

4-nitrophenyl_uridine_5''-phosphate + H2O <=> 4-nitrophenol + uridine_5''-phosphate 3.1.4.1 phosphodiesterase I

4-nitrophenyl_sulfate + taxifolin <=> 4-nitrophenol + taxifolin_4''-O-sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_tri-N-acetyl-beta-D-chitotriose + H2O <=> 4-nitrophenol + N-acetyl-beta-D-glucosamine 3.2.1.52 beta-N-acetylhexosaminidase

p-nitrophenyl-N,N'-diacetylchitobiose + H2O <=> 4-nitrophenol + N-acetyl-beta-D-glucosamine 3.2.1.52 beta-N-acetylhexosaminidase

p-nitrophenyl-N,N',N'',N'''-tetraacetylchitotetraose + H2O <=> 4-nitrophenol + N-acetyl-beta-D-glucosamine 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl-beta-N-acetyl-D-galactosaminide + H2O <=> 4-nitrophenol + N-acetyl-beta-D-glucosamine 3.2.1.53 beta-N-acetylgalactosaminidase

p-nitrophenyl_galactosaminide + H2O <=> 4-nitrophenol + D-galactosamine 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl_octanoate <=> 4-nitrophenol + Decanoate 3.1.1.1 carboxylesterase

p-nitrophenyl-alpha-D-galactopyranuronide + H2O <=> D-galacturonate + 4-nitrophenol 3.2.1.67 galacturonan 1,4-alpha-galacturonidase

4-nitrophenyl_sulfate + 2,2''-bisphenol <=> 4-nitrophenol + 2,2''-bisphenyl_sulfate 2.8.2.1 aryl sulfotransferase

4-nitrophenyl_sulfate + 2-Hydroxybiphenyl <=> 4-nitrophenol + 2-phenylphenyl_sulfate 2.8.2.1 aryl sulfotransferase

4-nitrophenyl_sulfate + 6-hydroxyflavone <=> 4-nitrophenol + 4-oxo-2-phenyl-4H-1-benzopyran-6-yl_sulfate 2.8.2.1 aryl sulfotransferase

4-nitrophenyl-alpha-isomaltoside + H2O <=> 4-nitrophenol + alpha-isomaltose 3.2.1.94 glucan 1,6-alpha-isomaltosidase

4-nitrophenyl-GalNAc-beta-(1->3)-GlcNAc + H2O <=> 4-nitrophenol + GalNAc-beta-(1->3)-GlcNAc 3.2.1.140 lacto-N-biosidase

4-nitrophenyl_sulfate + p-coumaric_acid <=> 4-nitrophenol + 4-sulfocinnamic_acid 2.8.2.1 aryl sulfotransferase

benzyloxycarbonyl-D-Tyr_p-nitrophenyl_ester + H2O <=> benzyloxycarbonyl-D-Tyr + 4-nitrophenol 3.1.1.1 carboxylesterase

4-nitrophenyl_(16-methyl_sulfonyl_ester)_hexadecanoate + H2O <=> 4-nitrophenol + 16-(methylsulfonyl)hexadecanoate 3.1.1.74 cutinase

p-nitrophenyl-beta-D-arabinopyranoside + H2O <=> 4-nitrophenol + beta-D-arabinose 3.2.1.21 beta-glucosidase
3.2.1.23 beta-galactosidase


4-nitrophenyl_sulfate + quercetin_3-O-glucoside <=> 4-nitrophenol + isoquercetin_4''-O-sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_sulfate + phloretin <=> 4-nitrophenol + phloretin_4''-O-sulfate + phloretin_4,4''-disulfate 2.8.2.1 aryl sulfotransferase

4-nitrophenyl_sulfate + quercetin <=> 4-nitrophenol + quercetin_3''-O-sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_sulfate + quercetin <=> 4-nitrophenol + quercetin_4''-sulfate 2.8.2.1 aryl sulfotransferase

4-nitrophenyl_sulfate + 17beta-estradiol <=> Estradiol_sulfate + 4-nitrophenol 2.8.2.22 aryl-sulfate sulfotransferase

p-nitrophenyl_pivalate + H2O <=> 4-nitrophenol + pivalate 2.3.2.13 protein-glutamine gamma-glutamyltransferase

4-nitrophenyl_acetate + 2-Aminofluorene <=> 4-nitrophenol + 2-acetylaminofluorene 2.3.1.5 arylamine N-acetyltransferase

4-nitrophenyl-alpha-L-fucopyranoside + N-acetyl-D-glucosamine + H2O <=> 4-nitrophenol + alpha-L-Fuc-(1-3)-D-GlcNAc 3.2.1.51 alpha-L-fucosidase

p-nitrophenyl-alpha-N-acetylgalactosaminide + H2O <=> 4-nitrophenol + alpha-N-acetylgalactosamine 3.2.1.49 alpha-N-acetylgalactosaminidase

4-nitrophenyl_alpha-N-acetylgalactosaminide + H2O <=> 4-nitrophenol + alpha-N-acetylgalactosamine 3.2.1.49 alpha-N-acetylgalactosaminidase

cyclohexyl_ethyl_4-nitrophenyl_(R)-phosphate + H2O <=> cyclohexyl_ethyl_(R)-phosphate + 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

cyclohexyl_ethyl_4-nitrophenyl_(S)-phosphate + H2O <=> cyclohexyl_ethyl_(R)-phosphate + 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

4-nitrophenyl_2-phenylpropanoate + H2O <=> 4-nitrophenol + 2-phenylpropionic_acid 3.1.1.3 triacylglycerol lipase

4-nitrophenyl_beta-D-glucofuranoside + H2O <=> 4-nitrophenol + beta-D-glucofuranose 3.2.1.55 non-reducing end alpha-L-arabinofuranosidase

4-nitrophenyl_beta-L-galactofuranoside + H2O <=> 4-nitrophenol + beta-L-galactofuranose 3.2.1.55 non-reducing end alpha-L-arabinofuranosidase

4-nitrophenyl_N-acetyl-beta-D-glucosaminide_6-uronate + H2O <=> 4-nitrophenol + N-acetyl-beta-D-glucosamine_6-uronate 3.2.1.52 beta-N-acetylhexosaminidase

dibutyl_4-nitrophenyl_phosphate + H2O <=> dibutyl_phosphate + 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

benzyloxycarbonyl-Ala-Pro-p-nitrophenol + H2O <=> benzyloxycarbonyl-Ala-Pro + 4-nitrophenol 3.4.21.26 prolyl oligopeptidase

4-nitrophenyl_beta-L-xyloside + H2O <=> 4-nitrophenol + beta-L-xylose 3.2.1.55 non-reducing end alpha-L-arabinofuranosidase

4-nitrophenyl_beta-L-glucoside + H2O <=> 4-nitrophenol + beta-L-glucose 3.2.1.55 non-reducing end alpha-L-arabinofuranosidase

4-nitrophenyl_2-sulfo-alpha-L-fucopyranoside + H2O <=> 4-nitrophenol + 2-sulfo-alpha-L-fucopyranose 3.2.1.51 alpha-L-fucosidase

4-nitrophenyl_2-deoxy-2-trifluoroacetamido-beta-D-galactopyranoside + H2O <=> 4-nitrophenol + 2-deoxy-2-trifluoroacetamido-beta-D-galactopyranose 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl_2-deoxy-2-fluoroacetamido-beta-D-galactopyranoside + H2O <=> 4-nitrophenol + 2-deoxy-2-fluoroacetamido-beta-D-galactopyranose 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl_2-deoxy-2-difluoroacetamido-beta-D-galactopyranoside + H2O <=> 4-nitrophenol + 2-deoxy-2-difluoroacetamido-beta-D-galactopyranose 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl-beta-N-acetyl-D-galactosaminide + H2O <=> 4-nitrophenol + 2-acetamido-2-deoxy-beta-D-galactosamine 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl_phosphate + guanosine <=> 4-nitrophenol + GMP 2.7.1.77 nucleoside phosphotransferase

guanosine_5''-p-nitrophenylphosphate + H2O <=> 4-nitrophenol + GMP 3.6.1.24 nucleoside phosphoacylhydrolase

p-nitrophenyl-alpha-N-acetylgalactosaminide + H2O <=> 4-nitrophenol + N-acetyl-alpha-D-galactosamine 3.2.1.49 alpha-N-acetylgalactosaminidase
3.2.1.52 beta-N-acetylhexosaminidase
3.2.1.97 endo-alpha-N-acetylgalactosaminidase



4-nitrophenyl_acetate + 4-Aminobenzoic_acid <=> 4-nitrophenol + N-acetyl-4-aminobenzoic_acid 2.3.1.5 arylamine N-acetyltransferase

deoxythymidine-5''-p-nitrophenyl_phosphate + H2O <=> thymidine + 4-nitrophenol 3.1.4.40 CMP-N-acylneuraminate phosphodiesterase

4-nitrophenyl_heptanoate + H2O <=> 4-nitrophenol + Heptanoate 3.1.1.1 carboxylesterase

ethyl_4-nitrophenyl_methylphosphonate + H2O <=> ethyl_methylphosphonate + 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

CDP-glucose + 4-nitrophenol <=> CDP + 4-nitrophenyl-beta-D-glucopyranoside 2.4.1.35 phenol beta-glucosyltransferase

p-nitrophenyl_L-arabinoside + H2O <=> L-arabinose + 4-nitrophenol 3.2.1.55 non-reducing end alpha-L-arabinofuranosidase

4-nitrophenyl_sulfate + desulfo-A-90289A <=> 4-nitrophenol + A-90289A 2.8.2.B5

p-nitrophenyl-alpha-D-mannopyranoside + H2O <=> 4-nitrophenol + D-mannose 3.2.1.113 mannosyl-oligosaccharide 1,2-alpha-mannosidase
3.2.1.114 mannosyl-oligosaccharide 1,3-1,6-alpha-mannosidase
3.2.1.24 alpha-mannosidase
3.2.1.37 xylan 1,4-beta-xylosidase




p-nitrophenyl-beta-D-mannopyranoside + H2O <=> D-mannose + 4-nitrophenol 3.2.1.14 chitinase
3.2.1.25 beta-mannosidase
3.2.1.55 non-reducing end alpha-L-arabinofuranosidase
3.2.1.91 cellulose 1,4-beta-cellobiosidase (non-reducing end)
3.2.1.B26
3.2.1.B34
3.2.1.B40







4-nitrophenol_beta-D-mannopyranoside + H2O <=> 4-nitrophenol + D-mannose 3.2.1.25 beta-mannosidase

Nalpha-carbobenzoxy-Phe_p-nitrophenyl_ester + H2O <=> benzyloxycarbonyl-Phe + 4-nitrophenol 3.4.22.3 ficain

benzyloxycarbonyl-Phe_4-nitrophenyl_ester + H2O <=> benzyloxycarbonyl-Phe + 4-nitrophenol 3.4.21.39 chymase
3.4.21.74 venombin A
3.4.22.34 legumain



4-nitrophenyl_sulfate + 3-chlorophenol <=> 3-chlorophenyl_sulfate + 4-nitrophenol 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_sulfate + tyramine <=> 4-(2-aminoethyl)phenyl_sulfate + 4-nitrophenol 2.8.2.22 aryl-sulfate sulfotransferase

UDP-glucuronate + 4-nitrophenol <=> UDP + p-nitrophenyl_alpha-D-glucopyranosyluronic_acid 2.4.1.17 glucuronosyltransferase

UDP-glucuronate + 4-nitrophenol <=> dTDP + p-nitrophenyl-beta-D-glucuronide 2.4.1.35 phenol beta-glucosyltransferase

4-nitrophenyl_sulfate + Phenolphthalein <=> Phenolphthalein_disulfate + 4-nitrophenol 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_sulfate + L-tyrosine <=> Tyrosine_O-sulfate + 4-nitrophenol 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_phosphate + Inosine <=> 4-nitrophenol + IMP 2.7.1.77 nucleoside phosphotransferase

benzyloxycarbonyl-Gly-Pro-p-nitrophenol + H2O <=> Benzyloxycarbonyl-Gly-Pro + 4-nitrophenol 3.4.21.26 prolyl oligopeptidase

N-benzyloxycarbonyl-Gly-Pro-4-nitrophenyl_ester + H2O <=> Benzyloxycarbonyl-Gly-Pro + 4-nitrophenol 3.4.21.26 prolyl oligopeptidase

p-nitrophenyl-beta-D-galactopyranoside_6-phosphate + H2O <=> 4-nitrophenol + beta-D-galactose-6-phosphate 3.2.1.85 6-phospho-beta-galactosidase

Galbeta(1,3)GalNAcalpha-1-p-nitrophenol + H2O <=> 4-nitrophenol + 3-O-beta-D-galactosyl-N-acetyl-alpha-D-galactosamine 3.2.1.97 endo-alpha-N-acetylgalactosaminidase

4-nitrophenyl_acetate + 4-anisidine <=> 4-nitrophenol + N-acetyl-4-anisidine 2.3.1.5 arylamine N-acetyltransferase

4-nitrophenyl_acetate + isoniazid <=> 4-nitrophenol + N-acetyl-isoniazid 2.3.1.5 arylamine N-acetyltransferase

adenosine_5''-O-phosphorothioate-O-p-nitrophenyl_ester + H2O <=> adenosine-5''-O-phosphorothioate + 4-nitrophenol 3.1.15.1 venom exonuclease

benzyloxycarbonyl-L-Ala_4-nitrophenyl_ester + H2O <=> Benzyloxycarbonyl-Ala + 4-nitrophenol 3.1.1.1 carboxylesterase
3.4.21.57 leucyl endopeptidase
3.4.21.70 pancreatic endopeptidase E
3.4.22.1 cathepsin B
3.4.22.32 stem bromelain
3.4.22.34 legumain
3.4.22.7 asclepain







N-benzyloxycarbonyl-Ala-p-nitrophenyl_ester + H2O <=> Benzyloxycarbonyl-Ala + 4-nitrophenol 3.4.22.10 streptopain

p-nitrophenyl_cellobiose + H2O <=> 4-nitrophenol + cellobioside 3.2.1.74 glucan 1,4-beta-glucosidase
3.2.1.8 endo-1,4-beta-xylanase


4-nitrophenyl_phosphate + beta-L-thymidine <=> 4-nitrophenol + beta-L-thymidine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_acetate + 4-aminobiphenyl <=> 4-nitrophenol + N-acetyl-4-aminobiphenyl 2.3.1.5 arylamine N-acetyltransferase

p-nitrophenylacetate + 5-aminosalicylic_acid <=> 4-nitrophenol + 5-acetylaminosalicylic_acid 2.3.1.5 arylamine N-acetyltransferase

4-nitrophenyl_acetate + 5-aminosalicylic_acid <=> 4-nitrophenol + 5-acetylaminosalicylic_acid 2.3.1.5 arylamine N-acetyltransferase

4-nitrophenyl_acetate + hydralazine <=> 4-nitrophenol + N-acetyl-hydralazine 2.3.1.5 arylamine N-acetyltransferase

4-nitrophenyl_alpha-sialoside + lactose <=> 4-nitrophenol + 3'-sialyllactose 3.2.1.18 exo-alpha-sialidase

4-nitrophenyl_sulfate + estrone <=> 4-nitrophenol + Estrone_3-sulfate 2.8.2.22 aryl-sulfate sulfotransferase

Benzoyl-Arg-Arg_4-nitrophenyl_ester + H2O <=> Bz-Arg-Arg + 4-nitrophenol 3.4.22.32 stem bromelain

4-nitrophenyl_2-propyl_methylphosphonate + H2O <=> isopropyl_methylphosphonate + 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

isobutyl_4-nitrophenyl_methylphosphonate + H2O <=> 4-nitrophenol + isobutyl_methylphosphonate 3.1.1.1 carboxylesterase

p-nitrophenyl-alpha-D-glucopyranoside_6-phosphate + H2O <=> 4-nitrophenol + alpha-D-glucose 3.2.1.122 maltose-6'-phosphate glucosidase

p-nitrophenyl-(alpha-1,4-glucopyranosyl)2-D-glucose + H2O <=> 4-nitrophenol + alpha-D-glucose 3.2.1.20 alpha-glucosidase

p-nitrophenyl_glucoside + H2O <=> 4-nitrophenol + alpha-D-glucose 3.2.1.20 alpha-glucosidase

4-nitrophenyl_N,N'',N''''-triacetylchitotrioside + H2O <=> 4-nitrophenol + N,N'',N''''-triacetylchitotriose 3.2.1.14 chitinase
3.2.1.52 beta-N-acetylhexosaminidase


p-nitrophenylriboside + H2O <=> 4-nitrophenol + D-ribose 3.2.2.1 purine nucleosidase

p-nitrophenyl_beta-D-ribofuranoside + H2O <=> 4-nitrophenol + D-ribose 3.2.2.1 purine nucleosidase
3.2.2.8 ribosylpyrimidine nucleosidase


4-nitrophenyl_ribopyranoside + H2O <=> 4-nitrophenol + D-ribose 3.2.2.8 ribosylpyrimidine nucleosidase

5''-p-nitrophenylnucleoside_5''-monophosphate + H2O <=> nucleoside_5''-monophosphate + 4-nitrophenol 3.1.4.1 phosphodiesterase I

p-nitrophenyl-N,N'',N'''',N'''''',N''''''''-pentaacetylchitopentaose + H2O <=> 4-nitrophenol + N,N''-diacetylchitobiose + N-acetyl-D-glucosamine 3.2.1.14 chitinase

p-nitrophenyl-N,N'',N''''-triacetylchitotriose + H2O <=> 4-nitrophenol + N,N''-diacetylchitobiose + N-acetyl-D-glucosamine 3.2.1.14 chitinase

4-nitrophenyl_sulfate + resveratrol <=> 4-nitrophenol + resveratrol_4''-sulfate + trans-resveratrol-3-O_sulfate + resveratrol_3,4''-disulfate + resveratrol_3,5,4''-trisulfate 2.8.2.1 aryl sulfotransferase

p-nitrophenyl-N,N'',N'''',N'''''',N''''''''-pentaacetylchitopentaose + H2O <=> 4-nitrophenol + N-acetyl-D-glucosamine 3.2.1.52 beta-N-acetylhexosaminidase

p-nitrophenyl_beta-D-N'',N'''',N''''''-triacetylchitotriose + H2O <=> 4-nitrophenol + N-acetyl-D-glucosamine 3.2.1.52 beta-N-acetylhexosaminidase

p-nitrophenyl-N,N''-diacetylchitobiose + H2O <=> 4-nitrophenol + N-acetyl-D-glucosamine 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl-2-(acetamino)-2-deoxy-beta-D-glucopyranoside + H2O <=> 4-nitrophenol + N-acetyl-D-glucosamine 3.2.1.52 beta-N-acetylhexosaminidase

p-nitrophenyl-N,N'',N'''',N''''''-tetraacetylchitotetraose + H2O <=> 4-nitrophenol + N-acetyl-D-glucosamine 3.2.1.52 beta-N-acetylhexosaminidase

p-nitrophenyl-beta-2-acetamido-2-deoxy-D-glucopyranoside + H2O <=> N-acetyl-D-glucosamine + 4-nitrophenol 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl-alpha-L-arabinopyranoside + H2O <=> 4-nitrophenol + L-arabinopyranose 3.2.1.193 ginsenosidase type I
3.2.1.37 xylan 1,4-beta-xylosidase
3.2.1.55 non-reducing end alpha-L-arabinofuranosidase
3.2.1.B34




Nalpha-carbobenzoxy-Arg_4-nitrophenyl_ester + H2O <=> Benzyloxycarbonyl-Arg + 4-nitrophenol 3.4.21.39 chymase
3.4.21.57 leucyl endopeptidase


Nalpha-benzyloxycarbonyl-L-Phe-L-Arg-4-nitroanilide + H2O <=> Benzyloxycarbonyl-Phe-Arg + 4-nitrophenol 3.4.22.3 ficain

4-nitrophenyl_phosphate + 2''-deoxyinosine <=> 4-nitrophenol + 2''-deoxyinosine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_alpha-D-maltohexaoside + H2O <=> 4-nitrophenol + maltohexaose 3.2.1.133 glucan 1,4-alpha-maltohydrolase
3.2.1.54 cyclomaltodextrinase


4-nitrophenyl_benzoate + H2O <=> 4-nitrophenol + benzoate 3.1.1.5 lysophospholipase
3.4.21.1 chymotrypsin
3.7.1.8 2,6-dioxo-6-phenylhexa-3-enoate hydrolase



4-nitrophenyl_methylphosphonate + H2O <=> 4-nitrophenol + methylphosphonate 3.1.1.1 carboxylesterase
3.1.3.16 protein-serine/threonine phosphatase


p-nitrophenyl_methylphosphonate + H2O <=> 4-nitrophenol + methylphosphonate 3.1.4.1 phosphodiesterase I

4-nitrophenyl_sulfate + 1-Pentanol <=> 4-nitrophenol + 1-pentyl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_sulfate + 1-phenylethanol <=> 4-nitrophenol + 1-phenylethyl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

galactosyl-beta-1,3-N-acetyl-beta-D-galactosaminyl-p-nitrophenyl + H2O <=> 4-nitrophenol + Galbeta(1-3)GalNAc 3.2.1.140 lacto-N-biosidase

Galbeta(1,3)GalNAcalpha-1-p-nitrophenol + H2O <=> Galbeta(1-3)GalNAc + 4-nitrophenol 3.2.1.97 endo-alpha-N-acetylgalactosaminidase

p-nitrophenyl_alpha-D-glucopyranosyluronic_acid + H2O <=> 4-nitrophenol + D-glucuronate 3.2.1.139 alpha-glucuronidase

p-nitrophenyl_alpha-D-glucuronopyranoside + H2O <=> 4-nitrophenol + D-glucuronate 3.2.1.139 alpha-glucuronidase

p-nitrophenyl-beta-D-glucuronide + H2O <=> 4-nitrophenol + D-glucuronate 3.2.1.139 alpha-glucuronidase
3.2.1.167 baicalin-beta-D-glucuronidase
3.2.1.31 beta-glucuronidase
3.2.1.B44




4-nitrophenol_glucuronide + H2O <=> 4-nitrophenol + D-glucuronate 3.2.1.31 beta-glucuronidase

4-nitrophenyl_sulfate + L-tyrosine_methyl_ester <=> L-tyrosine_methyl_ester_4-sulfate + 4-nitrophenol 2.8.2.22 aryl-sulfate sulfotransferase

4-Nitrophenyl_methylcarbonate + H2O <=> 4-nitrophenol + methylcarbonate 3.1.1.59 juvenile-hormone esterase

p-nitrophenyl_N-trans-cinnamoylglycinate + H2O <=> N-cinnamoylglycine + 4-nitrophenol 3.4.22.10 streptopain
3.4.22.3 ficain


p-nitrophenyl_N-formylglycinate + H2O <=> 4-nitrophenol + N-formylglycine 3.4.22.3 ficain

4-nitrophenyl_2-chloropropionate + H2O <=> 4-nitrophenol + L-2-chloropropionate 3.1.1.1 carboxylesterase

N-benzyloxycarbonyl-D-Leu_p-nitrophenyl_ester + H2O <=> N-Benzyloxycarbonyl-D-Leu + 4-nitrophenol 3.4.22.3 ficain

Nalpha-carbobenzoxy-Ile_4-nitrophenyl_ester + H2O <=> benzyloxycarbonyl-Ile + 4-nitrophenol 3.4.21.57 leucyl endopeptidase

p-nitrophenyl-p''-guanidino_benzoate + H2O <=> p-guanidinobenzoate + 4-nitrophenol 3.1.1.43 alpha-amino-acid esterase
3.4.21.4 trypsin
3.4.22.8 clostripain



p-nitrobenzyloxycarbonyl-Gly-p-nitrophenyl_ester + H2O <=> p-nitrobenzyloxycarbonyl-Gly + 4-nitrophenol 3.4.22.10 streptopain

Nalpha-carbobenzoxy-Val_4-nitrophenyl_ester + H2O <=> Nalpha-carbobenzoxy-Val + 4-nitrophenol 3.4.21.57 leucyl endopeptidase

p-nitrophenyl_chloromethylphosphonate + H2O <=> 4-nitrophenol + chloromethylphosphonic_acid 3.1.4.1 phosphodiesterase I

4-nitrophenyl-beta-D-glucopyranoside + 2-phenylethanol <=> 2-phenylethyl-beta-D-glucopyranoside + 4-nitrophenol 3.2.1.21 beta-glucosidase

N-benzyloxycarbonyl-Gly_p-nitrophenyl_ester + H2O <=> Benzyloxycarbonyl-Gly + 4-nitrophenol 3.4.22.10 streptopain
3.4.22.6 chymopapain


Nalpha-carbobenzoxy-Gly_p-nitrophenyl_ester + H2O <=> Benzyloxycarbonyl-Gly + 4-nitrophenol 3.4.22.3 ficain

4-nitrophenyl_phosphate + 3''-deoxyadenosine <=> 4-nitrophenol + 3''-deoxyadenosine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

p-nitrophenyl-beta-D-arabinopyranoside + H2O <=> 4-nitrophenol + beta-D-arabinopyranose 3.2.1.62 glycosylceramidase

4-nitrophenyl_2-phenylbutanoate + H2O <=> 4-nitrophenol + 2-phenylbutyric_acid 3.1.1.3 triacylglycerol lipase

4-nitrophenyl_nonanoate + H2O <=> 4-nitrophenol + Nonanoate 3.1.1.1 carboxylesterase

4-nitrophenyl_sulfate + 4-Chlorophenol <=> 4-nitrophenol + 4-chlorophenyl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_sulfate + benzyl_alcohol <=> 4-nitrophenol + benzyl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

tert-Butoxycarbonyl-Asn_nitrophenyl_ester + H2O <=> Boc-Asn + 4-nitrophenol 3.4.22.34 legumain
3.4.22.B1


p-nitrophenyl-thio-beta-N-acetyl-D-glucosaminide + H2O <=> 4-nitrophenol + 1-thio-beta-D-N-acetylglucosamine 3.2.1.52 beta-N-acetylhexosaminidase

p-nitrophenyl_N-acetylglycinate + H2O <=> N-acetylglycine + 4-nitrophenol 3.4.22.14 actinidain
3.4.22.3 ficain


4-nitrophenyl_sulfate + phenol <=> phenyl_sulfate + 4-nitrophenol 2.8.2.22 aryl-sulfate sulfotransferase

p-nitrophenyl_alpha-D-galactoside + sucrose <=> 4-nitrophenol + raffinose 2.4.1.82 galactinol---sucrose galactosyltransferase

succinyl-Ala-Pro-4-nitrophenyl_ester + H2O <=> N-succinyl-Ala-Phe + 4-nitrophenol 3.4.21.26 prolyl oligopeptidase

benzyloxycarbonyl-Ala-Gly-Pro-p-nitrophenol + H2O <=> benzyloxycarbonyl-Ala-Gly-Pro + 4-nitrophenol 3.4.21.26 prolyl oligopeptidase

benzyloxycarbonyl-D-Ala-Gly-Pro-p-nitrophenol + H2O <=> benzyloxycarbonyl-D-Ala-Gly-Pro + 4-nitrophenol 3.4.21.26 prolyl oligopeptidase

p-nitrophenyl-alpha-N-acetylgalactosaminide + H2O <=> 4-nitrophenol + N-acetyl-beta-D-galactosamine 3.2.1.49 alpha-N-acetylgalactosaminidase
3.2.1.52 beta-N-acetylhexosaminidase


p-nitrophenyl-2-acetamido-2-deoxy-beta-D-galactopyranoside + H2O <=> 4-nitrophenol + N-acetyl-beta-D-galactosamine 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl-alpha-L-fucopyranoside + prop-2-en-1-yl_2-(acetylamino)-2-deoxy-beta-D-glucopyranoside <=> prop-2-en-1-yl_2-(acetylamino)-2-deoxy-3-O-(6-deoxy-alpha-L-galactopyranosyl)-beta-D-glucopyranoside + 4-nitrophenol 3.2.1.51 alpha-L-fucosidase

4,6-ethylidene-[G7]-p-nitrophenyl-[G1]-alpha-D-maltoheptaoside + H2O <=> 4-nitrophenol + 4,6-ethyliden-[G7]-alpha-D-maltoheptaoside 3.2.1.1 alpha-amylase

4-Nitrophenyl_2-deoxy-alpha-D-glucopyranoside + H2O <=> 4-nitrophenol + 2-deoxy-alpha-D-glucose 3.2.1.20 alpha-glucosidase
3.2.1.207 mannosyl-oligosaccharide alpha-1,3-glucosidase


4-nitrophenyl_beta-N,N'',N'''',N''''''-tetraacetylchitotetraoside + H2O <=> 4-nitrophenol + beta-N,N'',N'''',N''''''-tetraacetylchitotetraose 3.2.1.14 chitinase

4-nitrophenyl_acetate + 4-aminobenzoyl_glutamic_acid <=> 4-nitrophenol + N-(4-acetylaminobenzoyl)-L-glutamate 2.3.1.5 arylamine N-acetyltransferase

4-nitrophenyl-alpha-isomaltoside + H2O <=> 4-nitrophenol + isomaltose 3.2.1.70 glucan 1,6-alpha-glucosidase

4-nitrophenyl_phosphate + 2''-deoxycytidine <=> 4-nitrophenol + 2''-deoxycytidine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_acetate + 4-aminosalicylic_acid <=> 4-nitrophenol + N-acetyl-4-aminosalicylic_acid 2.3.1.5 arylamine N-acetyltransferase

4-nitrophenyl_ferulate + H2O <=> ferulic_acid + 4-nitrophenol 3.1.1.73 feruloyl esterase

Nalpha-benzyloxycarbonyl-Lys-p-nitrophenyl_ester + H2O <=> benzyloxycarbonyl-Lys + 4-nitrophenol 3.4.21.1 chymotrypsin
3.4.21.4 trypsin
3.4.21.5 thrombin
3.4.21.57 leucyl endopeptidase
3.4.21.6 coagulation factor Xa
3.4.21.83 oligopeptidase B
3.4.21.B7
3.4.22.1 cathepsin B
3.4.22.14 actinidain
3.4.22.15 cathepsin L
3.4.22.27 cathepsin S
3.4.22.32 stem bromelain
3.4.22.7 asclepain













UDP-D-galacturonate + 4-nitrophenol <=> UDP + 4-nitrophenyl_beta-D-galactosiduronide 2.4.1.43 polygalacturonate 4-alpha-galacturonosyltransferase

adenosine_2'',3''-cyclic_phosphate_5''-phosphate + 4-nitrophenyl_sulfate <=> adenosine_2'',3''-cyclic_phosphate_5''-phosphate_5''-sulfate + 4-nitrophenol 2.8.2.1 aryl sulfotransferase

beta-D-galactosyl-1,3-N-acetyl-D-galactosaminyl-p-nitrophenyl + H2O <=> 4-nitrophenol + lacto-N-biose 3.2.1.140 lacto-N-biosidase

phosphatidyl-p-nitrophenol + H2O <=> phosphatidic_acid + 4-nitrophenol 3.1.4.4 phospholipase D

4-nitrophenyl_sulfate + 2-Aminophenol <=> 4-nitrophenol + 2-aminophenyl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_phosphate + beta-L-2'',3''-dideoxycytidine <=> 4-nitrophenol + beta-L-2'',3''-dideoxycytidine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_phosphate + O2,2''-anhydro-beta-L-5-methyluridine <=> 4-nitrophenol + O2,2''-anhydro-beta-L-5-methyluridine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl-alpha-L-fucopyranoside + prop-2-en-1-yl_2-(acetylamino)-2-deoxy-alpha-D-glucopyranoside <=> prop-2-en-1-yl_2-(acetylamino)-2-deoxy-3-O-(6-deoxy-alpha-L-galactopyranosyl)-alpha-D-glucopyranoside + 4-nitrophenol 3.2.1.51 alpha-L-fucosidase

4-nitrophenyl-alpha-L-fucopyranoside + methyl_2-(acetylamino)-2-deoxy-alpha-D-glucopyranoside <=> methyl_2-(acetylamino)-2-deoxy-3-O-(6-deoxy-alpha-L-galactopyranosyl)-alpha-D-glucopyranoside + 4-nitrophenol 3.2.1.51 alpha-L-fucosidase

4-nitrophenyl_cellotrioside + H2O <=> 4-nitrophenol + cellotriose 3.2.1.4 cellulase

Benzyloxycarbonyl-Arg-Arg_4-nitrophenyl_ester + H2O <=> Benzyloxycarbonyl-Arg-Arg + 4-nitrophenol 3.4.22.32 stem bromelain

H2O + 4-Nitrophenyl_2-deoxy-alpha-D-glucopyranoside <=> 2-deoxy-D-glucose + 4-nitrophenol 3.2.1.112 2-deoxyglucosidase

D-(-)-alpha-aminophenylacetic_acid_4-nitroanilide + H2O <=> D-phenylglycine + 4-nitrophenol 3.5.1.11 penicillin amidase

4-nitrophenyl_phenyl_methylphosphonate + H2O <=> phenyl_methylphosphonate + 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

Neu5Ac(alpha2,3)Galbeta-p-nitrophenol + H2O <=> Neu5Ac(alpha2,3)Gal + 4-nitrophenol 3.2.1.18 exo-alpha-sialidase

4-nitrophenyl_sulfate + Leu-enkephalin <=> 4-nitrophenol + Tyr(SO3H)-Gly-Gly-Phe-Leu 2.8.2.22 aryl-sulfate sulfotransferase

p-nitrophenyl-beta-D-xylobioside + H2O <=> 4-nitrophenol + xylobiose 3.2.1.8 endo-1,4-beta-xylanase

p-nitrophenyl-beta-D-arabinopyranoside + H2O <=> 4-nitrophenol + D-arabinose 3.2.1.21 beta-glucosidase

4-nitrophenyl_sulfate + 1-naphthol <=> 4-nitrophenol + 1-naphthyl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

Bz-Phe-Val-Arg-4-nitroanilide + H2O <=> Benzoyl-Phe-Val-Arg + 4-nitrophenol 3.4.22.3 ficain

benzyloxycarbonyl-Ala-Ala-p-nitrophenol + H2O <=> Benzyloxycarbonyl-Ala-Ala + 4-nitrophenol 3.4.21.26 prolyl oligopeptidase

4-nitrophenyl_cellotetraoside + H2O <=> 4-nitrophenol + cellotetraose 3.2.1.4 cellulase

methyl_4-nitrophenyl_phosphate + H2O <=> 4-nitrophenol + methyl_phosphate 3.1.3.1 alkaline phosphatase
3.1.3.2 acid phosphatase
3.1.4.2 glycerophosphocholine phosphodiesterase
3.1.6.6 choline-sulfatase
3.6.1.9 nucleotide diphosphatase





methyl_bis(4-nitrophenyl)_phosphate + H2O <=> methyl_phosphate + 2 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

N-methanesulfonylglycine_4-nitrophenyl_ester + H2O <=> N-methanesulfonylglycine + 4-nitrophenol 3.4.22.7 asclepain

p-nitrophenyl_6-O-beta-D-xylopyranosyl-beta-D-glucopyranoside + H2O <=> 4-nitrophenol + primeverose 3.2.1.149 beta-primeverosidase
3.2.1.161 beta-apiosyl-beta-glucosidase


4-nitrophenyl_phosphate + thymidine <=> 4-nitrophenol + dTMP 2.7.1.77 nucleoside phosphotransferase

5''-p-nitrophenyl-TMP + H2O <=> 4-nitrophenol + dTMP 3.1.13.3 oligonucleotidase

p-nitrophenylthymidine_5''-phosphate + H2O <=> 5''-TMP + 4-nitrophenol 3.1.13.3 oligonucleotidase
3.1.15.1 venom exonuclease
3.1.26.11 tRNase Z
3.1.4.1 phosphodiesterase I
3.1.4.39 alkylglycerophosphoethanolamine phosphodiesterase
3.6.1.24 nucleoside phosphoacylhydrolase
3.6.1.5 apyrase
3.6.1.9 nucleotide diphosphatase








5''-p-nitrophenyl_deoxythymidine_5''-phosphate + H2O <=> 5''-dTMP + 4-nitrophenol 3.1.4.1 phosphodiesterase I

4-nitrophenyl_deoxythymidine_5''-phosphate + H2O <=> 4-nitrophenol + deoxythymidine_5''-phosphate 3.1.4.1 phosphodiesterase I

p-nitrophenyl_2-acetamido-2-deoxy-4-O-sulfo-beta-D-glucopyranoside + H2O <=> 4-nitrophenol + 2-acetamido-2-deoxy-4-O-sulfo-beta-D-glucopyranose 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl_alpha-D-maltotrioside + H2O <=> 4-nitrophenol + alpha-D-maltotriose 3.2.1.41 pullulanase

4-nitrophenyl_beta-D-glucosaminide + H2O <=> D-glucosamine + 4-nitrophenol 3.2.1.165 exo-1,4-beta-D-glucosaminidase

p-nitrophenyl-2-amino-2-deoxy-D-glucoside + H2O <=> 4-nitrophenol + D-glucosamine 3.2.1.38 beta-D-fucosidase

4-nitrophenyl_phosphate + adenosine <=> 4-nitrophenol + 2''-deoxyadenosine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_phosphate + 2''-deoxyadenosine <=> 4-nitrophenol + 2''-deoxyadenosine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_fucoside + H2O <=> 4-nitrophenol + L-fucose 3.2.1.111 1,3-alpha-L-fucosidase

4-nitrophenyl_phosphate + 2''-deoxyguanosine <=> 4-nitrophenol + 2''-deoxyguanosine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

Neu5Acalpha-4-nitrophenyl + H2O <=> 4-nitrophenol + N-acetylneuraminate 3.2.1.18 exo-alpha-sialidase

4-nitrophenyl_alpha-sialoside + H2O <=> 4-nitrophenol + N-acetylneuraminate 3.2.1.18 exo-alpha-sialidase

4-nitrophenyl_alpha-sialoside + H2O <=> 4-nitrophenol + alpha-D-N-acetylneuraminic_acid 3.2.1.18 exo-alpha-sialidase

p-nitrophenyl-beta-D-mannopyranoside + H2O <=> 4-nitrophenol + alpha-D-mannopyranose 3.2.1.25 beta-mannosidase

4-nitrophenyl-alpha-L-arabinopyranoside + H2O <=> 4-nitrophenol + alpha-L-fucose 3.2.1.B26

4-nitrophenyl_sulfate + resorcinol <=> resorcinol_O-sulfate + 4-nitrophenol 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_cellopentaoside + H2O <=> 4-nitrophenol + cellopentaose 3.2.1.4 cellulase

p-nitrophenyl-beta-D-cellopentaoside + H2O <=> 4-nitrophenol + cellopentaose 3.2.1.176 cellulose 1,4-beta-cellobiosidase (reducing end)

4-nitrophenyl-beta-D-rutinoside + H2O <=> 4-nitrophenol + rutinose 3.2.1.168 hesperidin 6-O-alpha-L-rhamnosyl-beta-D-glucosidase

4-nitrophenyl_lactoside + H2O <=> D-lactopyranose + 4-nitrophenol 3.2.1.14 chitinase

benzyloxycarbonyl_4-nitrophenyl_ester + H2O <=> phenylacetate + 4-nitrophenol 3.4.22.14 actinidain

p-nitrophenyl-alpha-D-3-ketoglucoside <=> 4-nitrophenol + 1,5-anhydro-D-erythro-hex-1-en-3-ulose 4.3.3.1 3-ketovalidoxylamine C-N-lyase

adenosine_2'',5''-bisphosphate + 4-nitrophenyl_sulfate <=> adenosine_2''-phosphate_5''-phosphate_5''-sulfate + 4-nitrophenol 2.8.2.1 aryl sulfotransferase

4-nitrophenyl_phosphate + 2'-thiouridine <=> 4-nitrophenol + 2-thiouridine_5''phosphate 2.7.1.77 nucleoside phosphotransferase

N-benzoyl-Gly-p-nitrophenyl_ester + H2O <=> N-benzoyl-Gly + 4-nitrophenol 3.4.22.10 streptopain

4-nitrophenyl_phosphate + uric_acid_ribonucleoside <=> 4-nitrophenol + 3-(beta-D-ribofuranosyl)uric_acid_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_sulfate + acetaminophen <=> 4-nitrophenol + 4-acetamidophenyl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_sulfate + 5-hydroxyindole <=> 4-nitrophenol + 5-indoxyl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

Benzyloxycarbonyl-L-Asn_4-nitrophenyl_ester + H2O <=> Benzyloxycarbonyl-Asn + 4-nitrophenol 3.4.22.32 stem bromelain
3.4.22.34 legumain
3.4.22.7 asclepain



p-nitrophenyl_beta-gentiobioside + H2O <=> 4-nitrophenol + gentiobiose 3.2.1.149 beta-primeverosidase
3.2.1.161 beta-apiosyl-beta-glucosidase


4-nitrophenyl_acetate + 2-amino-ethylpropionate <=> N-Acetylalanine_ethylester + 4-nitrophenol 2.3.2.13 protein-glutamine gamma-glutamyltransferase

4-nitrophenyl_sulfate + 2-hydroxybenzamide <=> Salicylamide_O-sulfate + 4-nitrophenol 2.8.2.22 aryl-sulfate sulfotransferase

N-t-butyloxycarbonyl-Gln-p-nitrophenyl_ester + H2O <=> Tert-Butoxycarbonyl-Gln + 4-nitrophenol 3.4.22.1 cathepsin B
3.4.22.34 legumain


deoxyribonucleoside_5''-phosphates_p-nitrophenyl_esters + H2O <=> 4-nitrophenol + deoxyribonucleoside_5''-phosphates 3.1.22.1 deoxyribonuclease II

p-nitrophenyl_stearate <=> 4-nitrophenol + fatty_acid 3.1.1.1 carboxylesterase
3.1.1.13 sterol esterase


4-nitrophenyl_stearate + H2O <=> 4-nitrophenol + fatty_acid 3.1.1.1 carboxylesterase
3.1.1.23 acylglycerol lipase
3.1.1.3 triacylglycerol lipase
3.1.1.5 lysophospholipase
3.1.1.74 cutinase
3.1.1.79 hormone-sensitive lipase






isopropyl_4-nitrophenyl_phosphate + H2O <=> 4-nitrophenol + i-Propyl-phosphate 3.1.4.2 glycerophosphocholine phosphodiesterase

4-nitrophenyl_phosphate + purine_riboside <=> 4-nitrophenol + 9-(beta-D-ribofuranosyl)purine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

benzyloxycarbonyl-Trp-4-nitrophenyl_ester + H2O <=> N-benzyloxycarbonyl-L-tryptophan + 4-nitrophenol 3.4.21.39 chymase

N-benzyloxycarbonyl-D-Ala_p-nitrophenyl_ester + H2O <=> N-benzyloxycarbonyl-D-Ala + 4-nitrophenol 3.4.22.3 ficain

N-benzyloxycarbonyl-D-Phe_p-nitrophenyl_ester + H2O <=> N-benzyloxycarbonyl-D-Phe + 4-nitrophenol 3.4.22.3 ficain

N-benzyloxycarbonyl-D-Tyr_p-nitrophenyl_ester + H2O <=> N-benzyloxycarbonyl-D-Tyr + 4-nitrophenol 3.4.22.3 ficain

Nalpha-benzyloxycarbonyl-Nepsilon-tosyl-Lys-p-nitrophenyl_ester + H2O <=> Nalpha-benzyloxycarbonyl-Nepsilon-tosyl-Lys + 4-nitrophenol 3.4.22.10 streptopain

Nepsilon-benzyloxycarbonyl-Lys-p-nitrophenyl_ester + H2O <=> Nepsilon-benzyloxycarbonyl-Lys + 4-nitrophenol 3.4.22.10 streptopain

p-toluene-sulphonyl-L-glutamine_p-nitrophenyl_ester + H2O <=> p-toluene-sulphonyl-L-glutamine + 4-nitrophenol 3.4.22.14 actinidain

t-butyloxycarbonyl-Gly-p-nitrophenyl_ester + H2O <=> t-butyloxycarbonyl-Gly + 4-nitrophenol 3.4.22.10 streptopain

4-nitrophenyl_decanoate <=> 4-nitrophenol + Octanoate 3.1.1.1 carboxylesterase

4-nitrophenyl_chrysanthemate + H2O <=> 4-nitrophenol + chrysanthemate 3.1.1.1 carboxylesterase

Nalpha-benzyloxycarbonyl-L-Arg_4-nitrophenyl_ester + H2O <=> Nalpha-benzyloxycarbonyl-L-Arg + 4-nitrophenol 3.4.21.5 thrombin

NO2-Ph-pdTp-NO2-Ph + H2O <=> 4-nitrophenol + NO2-Ph-pdT-3''-phosphate 3.1.21.1 deoxyribonuclease I

4-nitrophenyl_myristate + H2O <=> 4-nitrophenol + myristic_acid 3.1.1.1 carboxylesterase
3.1.1.13 sterol esterase
3.1.1.2 arylesterase
3.1.1.23 acylglycerol lipase
3.1.1.3 triacylglycerol lipase
3.1.1.5 lysophospholipase
3.1.1.74 cutinase
3.1.1.79 hormone-sensitive lipase








p-nitrophenyl-2-deoxy-alpha-D-galactopyranoside + H2O <=> 4-nitrophenol + 2-deoxy-alpha-D-galactopyranose 3.2.1.49 alpha-N-acetylgalactosaminidase

4-nitrophenyl_beta-D-fucoside + 2-phenylethanol <=> 2-phenylethyl-beta-D-fucoside + 4-nitrophenol 3.2.1.21 beta-glucosidase

4-nitrophenyl_acetate + 3,4-dichloroaniline <=> 4-nitrophenol + 3',4'-dichloroacetanilide 2.3.1.5 arylamine N-acetyltransferase

4-nitrophenyl-alpha-L-fucopyranoside + N-acetyl-D-glucosamine + H2O <=> 4-nitrophenol + Fuc-alpha-(1-3)-GlcNAc 3.2.1.51 alpha-L-fucosidase

dTDP-glucose + 4-nitrophenol <=> dTDP + 4-nitrophenyl-beta-D-glucopyranoside 2.4.1.35 phenol beta-glucosyltransferase

3''-p-nitrophenylthymidine_3''-phosphate + H2O <=> 3''-TMP + 4-nitrophenol 3.1.4.1 phosphodiesterase I

thymidine_3''-(4-nitrophenyl)phosphate + H2O <=> thymidine_3''-phosphate + 4-nitrophenol 3.1.16.1 spleen exonuclease

thymidine_3''-monophosphate_p-nitrophenyl_ester + H2O <=> thymidine_3''-monophosphate + 4-nitrophenol 3.6.1.9 nucleotide diphosphatase

4-nitrophenyl_phosphate + 7-methylguanosine <=> 4-nitrophenol + 7-methylguanosine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

p-nitrophenyl_2-deoxy-2-thioacetamido-beta-D-galactopyranoside + H2O <=> 4-nitrophenol + 2-deoxy-2-thioacetamido-beta-D-galactopyranoside 3.2.1.52 beta-N-acetylhexosaminidase

p-nitrophenyl_2-deoxy-2-thioacetamido-beta-D-glucopyranoside + H2O <=> 4-nitrophenol + 2-deoxy-2-thioacetamido-beta-D-glucopyranoside 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl_2-benzylpropanoate + H2O <=> 4-nitrophenol + (RS)-2-benzylpropionic_acid 3.1.1.3 triacylglycerol lipase

N-carbobenzoxy-Tyr-p-nitrophenyl_ester + H2O <=> Benzyloxycarbonyl-Tyr + 4-nitrophenol 3.4.21.41 complement subcomponent C_overbar_1r_
3.4.22.7 asclepain


Nalpha-benzyloxycarbonyl-L-Tyr_p-nitrophenyl_ester + H2O <=> Benzyloxycarbonyl-Tyr + 4-nitrophenol 3.4.21.1 chymotrypsin
3.4.22.3 ficain


bis(1-methylethyl)_4-nitrophenyl_phosphate + H2O <=> diisopropyl_phosphate + 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

2-nitro-5-[(phenylacetyl)amino]-benzoic_acid + H2O <=> phenylglycine + 4-nitrophenol 3.1.1.43 alpha-amino-acid esterase

4-nitrophenyl_acylester + H2O <=> 4-nitrophenol + a_carboxylate 3.1.1.60 bis(2-ethylhexyl)phthalate esterase

4-nitrophenyl_phosphate + 1-(beta-D-ribofuranosyl)-2(1H)pyridone <=> 4-nitrophenol + 1-(beta-D-ribofuranosyl)-2(1H)pyridone_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_phosphate + 1-(beta-D-ribofuranosyl)-4(1H)pyridone <=> 4-nitrophenol + 1-(beta-D-ribofuranosyl)-4(1H)pyridone_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_phosphate + 2''-bromo-2''-deoxyuridine <=> 4-nitrophenol + 2''-bromo-2''-deoxyuridine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_phosphate + 2''-deoxy-2''-methyluridine <=> 4-nitrophenol + 2''-deoxy-2''-methyluridine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_phosphate + 2''-O-methylcytidine <=> 4-nitrophenol + 2''-O-methylcytidine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl + H2O <=> 4-nitrophenol + beta-D-xylose 3.2.1.55 non-reducing end alpha-L-arabinofuranosidase

4-nitrophenyl-alpha-D-xylopyranoside + H2O <=> 4-nitrophenol + beta-D-xylose 3.2.1.37 xylan 1,4-beta-xylosidase

glutathione + fluorodifen <=> 4-nitrophenol + 2-nitro-4-trifluoromethylphenol-glutathione 2.5.1.18 glutathione transferase

4-nitrophenyl_phosphate + 3''-deoxy-3''-methyluridine <=> 4-nitrophenol + 3''-deoxy-3''-methyluridine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_phosphate + 3''-deoxyinosine <=> 4-nitrophenol + 3''-deoxyinosine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_phosphate + 3''-fluoroinosine <=> 4-nitrophenol + 3''-fluoro-IMP 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_phosphate + 3''-O-methylcytidine <=> 4-nitrophenol + 3''-O-methylcytidine_5''phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_phosphate + 5-Bromouridine <=> 4-nitrophenol + 5-bromouridine_5''phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_phosphate + 5-chlorouridine <=> 4-nitrophenol + 5-chlorouridine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_phosphate + 5-Hydroxyuridine <=> 4-nitrophenol + 5-hydroxyuridine_5''phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_phosphate + 5-iodouridine <=> 4-nitrophenol + 5-iodouridine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_2-acetoamide-2-deoxyamide-2-deoxy-beta-D-N-acetylglucosaminide + H2O <=> 4-nitrophenol + 2-acetoamide-2-deoxyamide-2-deoxy-beta-D-N-acetylglucosamine 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl_beta-acetylgalactosaminide + H2O <=> 4-nitrophenol + beta-acetylgalactosamine 3.2.1.53 beta-N-acetylgalactosaminidase

4-nitrophenyl-beta-D-glucopyranoside + H2O <=> 4-nitrophenol + beta-D-glucopyranoside 3.2.1.147 thioglucosidase

4-nitrophenyl-beta-N-acetyl-D-galactosaminide + H2O <=> 4-nitrophenol + beta-N-acetyl-D-galactosamine 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl_phosporylcholine + H2O <=> 4-nitrophenol + phosporylcholine 3.1.4.12 sphingomyelin phosphodiesterase

tert-butyloxycarbonyl-L-Val-4-nitrophenyl_ester + H2O <=> tert-butyloxycarbonyl-L-Val + 4-nitrophenol 3.4.21.37 leukocyte elastase

4-nitrophenyl_phosphate + thymidine_3''-[(4-nitrophenyl)-phosphate] <=> 4-nitrophenol + thymidine_3''-[(4-nitrophenyl)-phosphate]_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_sulfate + 2-butanol <=> 4-nitrophenol + butan-2-yl-sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_sulfate + 1-Octanol <=> 4-nitrophenol + 1-octyl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_sulfate + p-Cresol <=> 4-nitrophenol + 4-methylphenyl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_beta-D-glucosaminide + H2O <=> 4-nitrophenol + beta-D-glucosamine 3.2.1.165 exo-1,4-beta-D-glucosaminidase

tosyl-Ala-4-nitrophenol + H2O <=> tosyl-Ala + 4-nitrophenol 3.4.21.37 leukocyte elastase

4-nitrophenyl_N,N'',N''''-beta-D-triacetylchitotrioside + H2O <=> 4-nitrophenol + N,N'',N''''-beta-D-triacetylchitotriose + N,N''-diacetyl-beta-D-chitobiose + 4-nitrophenyl_N-acetyl-beta-D-glucosaminide 3.2.1.14 chitinase

4-nitrophenyl_phosphate + Xanthosine <=> 4-nitrophenol + XMP 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl-beta-D-xylopyranoside + xylobiose <=> 4-nitrophenol + xylotriose 3.2.1.37 xylan 1,4-beta-xylosidase

4-nitrophenyl_cellotetraoside + H2O <=> 4-nitrophenol + cellobiose 3.2.1.91 cellulose 1,4-beta-cellobiosidase (non-reducing end)

p-nitrophenyl-beta-D-cellotrioside + H2O <=> 4-nitrophenol + cellobiose 3.2.1.176 cellulose 1,4-beta-cellobiosidase (reducing end)

O-methyl_O-(4-nitrophenyl)_hydrogen_phosphorothioate + H2O <=> methanol + 4-nitrophenol + thiophosphate 3.1.3.1 alkaline phosphatase

p-nitrophenyl_alpha-D-galactoside + raffinose <=> 4-nitrophenol + stachyose 2.4.1.67 galactinol---raffinose galactosyltransferase

beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-p-nitrophenyl + benzyloxycarbonyl-Leu-Ser-Gln-Val-His-Arg <=> beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-(CBZ-Leu)-Ser-Gln-Val-His-Arg + 4-nitrophenol 3.2.1.97 endo-alpha-N-acetylgalactosaminidase

beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-p-nitrophenyl + ethanol <=> beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-ethyl + 4-nitrophenol 3.2.1.97 endo-alpha-N-acetylgalactosaminidase

beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-p-nitrophenyl + 1-propanol <=> beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-propyl + 4-nitrophenol 3.2.1.97 endo-alpha-N-acetylgalactosaminidase

beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-p-nitrophenyl + 1-butanol <=> beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-butyl + 4-nitrophenol 3.2.1.97 endo-alpha-N-acetylgalactosaminidase

beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-p-nitrophenyl + 1-Heptanol <=> beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-heptyl + 4-nitrophenol 3.2.1.97 endo-alpha-N-acetylgalactosaminidase

beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-p-nitrophenyl + allyl_alcohol <=> beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-allyl + 4-nitrophenol 3.2.1.97 endo-alpha-N-acetylgalactosaminidase

beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-p-nitrophenyl + 2-benzyloxyethanol <=> beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-(2-benzyloxyethyl) + 4-nitrophenol 3.2.1.97 endo-alpha-N-acetylgalactosaminidase

4-nitrothiophenyl_beta-D-glucopyranoside + H2O <=> 4-nitrophenol + thio-beta-glucoside 3.2.1.161 beta-apiosyl-beta-glucosidase
3.2.1.21 beta-glucosidase


4-nitrophenyl-alpha-L-galactopyranoside + H2O <=> 4-nitrophenol + alpha-L-galactose 3.2.1.23 beta-galactosidase

p-nitrophenyl-beta-D-glucuronide + p-nitrophenyl-beta-D-glucuronide <=> 4-nitrophenol + 4-nitrophenyl_3-O-beta-D-glucopyranuronosyl-beta-D-glucopyranosiduronic_acid + 4-nitrophenyl_2-O-beta-D-glucopyranuronosyl-beta-D-glucopyranosiduronic_acid 3.2.1.31 beta-glucuronidase

4-nitrophenylacetamide + H2O <=> 4-nitrophenol + acetamide 3.5.1.86 mandelamide amidase

p-nitrophenyl-(alpha-1,4-glucopyranosyl)2-D-glucose + H2O <=> 4-nitrophenol + maltose 3.2.1.1 alpha-amylase
3.2.1.2 beta-amylase
3.2.1.20 alpha-glucosidase



p-nitrophenyl-beta-maltoside + H2O <=> maltose + 4-nitrophenol 3.2.1.133 glucan 1,4-alpha-maltohydrolase
3.2.1.14 chitinase


4-nitrophenyl_N-acetyl-D-galactosamine + H2O <=> 4-nitrophenol + N-acetyl-D-galactosamine 3.2.1.49 alpha-N-acetylgalactosaminidase

4-nitrophenyl-beta-N-acetyl-D-galactosaminide + H2O <=> N-acetyl-D-galactosamine + 4-nitrophenol 3.2.1.53 beta-N-acetylgalactosaminidase

4-nitrophenyl_2-ethylhexanoate + H2O <=> 4-nitrophenol + 2-ethylhexanoic_acid 3.1.1.3 triacylglycerol lipase

4-nitrophenyl_sulfate + 2-naphthol <=> 4-nitrophenol + 2-naphthyl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

Nalpha-carbobenzoxy-Leu_4-nitrophenyl_ester + H2O <=> Benzyloxycarbonyl-Leu + 4-nitrophenol 3.4.21.111 aqualysin 1
3.4.21.57 leucyl endopeptidase
3.4.22.7 asclepain



Nalpha-carbobenzoxy-Leu_p-nitrophenyl_ester + H2O <=> Benzyloxycarbonyl-Leu + 4-nitrophenol 3.4.21.1 chymotrypsin
3.4.22.3 ficain


benzyloxycarbonyl-Pro-p-nitrophenol + H2O <=> Benzyloxycarbonyl-Pro + 4-nitrophenol 3.4.21.26 prolyl oligopeptidase

4-nitrophenyl-beta-N-acetyl-D-galactosaminide + UDP-N-acetyl-D-glucosamine + H2O <=> UDP-(4-O-N-acetyl-beta-D-galactosaminyl)-N-acetyl-alpha-D-glucosamine + 4-nitrophenol 3.2.1.52 beta-N-acetylhexosaminidase

cyclohexyl_methyl_4-nitrophenyl_(R)-phosphate + H2O <=> cyclohexyl_methyl_hydrogen_phosphate + 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

cyclohexyl_methyl_4-nitrophenyl_(S)-phosphate + H2O <=> cyclohexyl_methyl_hydrogen_phosphate + 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

p-nitrophenyl_beta-D-galactofuranoside <=> beta-D-galactofuranosyl-(1,2)-beta-D-galactofuranoside + 4-nitrophenol 3.2.1.55 non-reducing end alpha-L-arabinofuranosidase

4-nitrophenyl_3-deoxy-alpha-D-glucopyranoside + H2O <=> 4-nitrophenol + 3-deoxy-alpha-D-glucose 3.2.1.20 alpha-glucosidase

p-nitrophenyl_6-phospho-beta-D-thioglucoside + H2O <=> 4-nitrophenol + 6-phospho-beta-D-thioglucose 3.2.1.86 6-phospho-beta-glucosidase

2 p-nitrophenyl-alpha-L-arabinofuranoside <=> 4-nitrophenol + p-nitrophenyl-alpha-L-arabinofuranosyl-(1,2)-alpha-L-arabinofuranoside 3.2.1.55 non-reducing end alpha-L-arabinofuranosidase

GDP-glucose + 4-nitrophenol <=> GDP + 4-nitrophenyl-beta-D-glucopyranoside 2.4.1.35 phenol beta-glucosyltransferase

4-nitrophenyl_2-phenylpentanoate + H2O <=> 4-nitrophenol + 2-phenylvaleric_acid 3.1.1.3 triacylglycerol lipase

p-nitrophenyl_ethyl_phosphate + H2O <=> 4-nitrophenol + ethyl_phosphate 3.1.4.1 phosphodiesterase I
3.1.4.2 glycerophosphocholine phosphodiesterase
3.1.4.46 glycerophosphodiester phosphodiesterase



methyl_paraoxon + H2O <=> 4-nitrophenol + dimethyl_phosphate 3.1.8.1 aryldialkylphosphatase

4-nitrophenyl_acetate + 4-amino-3-methylbenzoic_acid <=> 4-nitrophenol + N-acetyl-4-amino-3-methylbenzoic_acid 2.3.1.5 arylamine N-acetyltransferase

4-nitrophenyl_sulfate + 4-hydroxybenzoate <=> 4-nitrophenol + 4-hydroxybenzoyl_sulfate 2.8.2.22 aryl-sulfate sulfotransferase

4-nitrophenyl_phosphate + 1-(2,3-dideoxy-2-fluoro-beta-L-erythro-pentofuranosyl)thymine <=> 4-nitrophenol + 1-(2,3-dideoxy-2-fluoro-beta-L-erythro-pentofuranosyl)thymine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_phosphate + L-3''-deoxy-2'',3''-didehydrothymidine <=> 4-nitrophenol + L-3''-deoxy-2'',3''-didehydrothymidine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_phosphate + L-3''-deoxy-3''-chlorothymidine <=> 4-nitrophenol + L-3''-deoxy-3''-chlorothymidine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_phosphate + L-thymidine <=> 4-nitrophenol + L-thymidine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

p-nitrophenyl_6-O-sulfo-N-acetyl-beta-D-glucosaminide + p-nitrophenyl-alpha-N-acetylglucosaminide <=> 4-nitrophenyl_2-(acetylamino)-4-O-[2-(acetylamino)-2-deoxy-6-O-sulfo-beta-D-glucopyranosyl]-2-deoxy-alpha-D-glucopyranoside + 4-nitrophenol 3.2.1.52 beta-N-acetylhexosaminidase

p-nitrophenyl_6-O-sulfo-N-acetyl-beta-D-glucosaminide + methyl-alpha-D-glucoside <=> methyl_4-O-[2-(acetylamino)-2-deoxy-6-O-sulfo-beta-D-glucopyranosyl]-alpha-D-glucopyranoside + 4-nitrophenol 3.2.1.52 beta-N-acetylhexosaminidase

p-nitrophenyl_6-O-sulfo-N-acetyl-beta-D-glucosaminide + phenyl_alpha-glucoside <=> phenyl_4-O-[2-(acetylamino)-2-deoxy-6-O-sulfo-beta-D-glucopyranosyl]-alpha-D-glucopyranoside + 4-nitrophenol 3.2.1.52 beta-N-acetylhexosaminidase

(N-glycolylneuraminic_acid)(alpha2,3)Galbeta-p-nitrophenol + H2O <=> (N-glycolylneuraminic_acid)(alpha2,3)Gal + 4-nitrophenol 3.2.1.18 exo-alpha-sialidase

(N-glycolylneuraminic_acid)(alpha2,6)Galbeta-p-nitrophenol + H2O <=> (N-glycolylneuraminic_acid)(alpha2,6)Gal + 4-nitrophenol 3.2.1.18 exo-alpha-sialidase

methyl_parathion + H2O <=> methyl_diethylthiophosphate + 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

methyl_paraoxon + H2O <=> 4-nitrophenol + methyl_diethyl_phosphate 3.1.8.1 aryldialkylphosphatase

p-nitrophenyl_cellobiose + H2O <=> 4-nitrophenol + beta-D-glucose 3.2.1.21 beta-glucosidase
3.2.1.B26


4-nitrophenyl_beta-D-fucoside + H2O <=> 4-nitrophenol + beta-D-glucose 3.2.1.21 beta-glucosidase

p-nitrophenyl-beta-D-glucuronide + H2O <=> 4-nitrophenol + beta-D-glucose 3.2.1.23 beta-galactosidase

2,4-dinitrophenyl_beta-D-glucopyranoside + H2O <=> 4-nitrophenol + beta-D-glucose 3.2.1.45 glucosylceramidase

benzoyl-Gly-p-nitrophenyl_ester + H2O <=> hippuric_acid + 4-nitrophenol 3.4.22.14 actinidain
3.4.22.3 ficain


glutathione + fluorodifen <=> 4-nitrophenol + (2-nitro-4-trifluoromethylphenyl)glutathione 2.5.1.18 glutathione transferase

p-nitrophenyllactate + H2O <=> 4-nitrophenol + Lactate 3.1.1.13 sterol esterase

2 4-nitrophenyl-beta-D-xylopyranoside <=> 4-nitrophenol + p-nitrophenyl-beta-D-xylopyranosyl-(1,2)-beta-D-xylopyranoside 3.2.1.55 non-reducing end alpha-L-arabinofuranosidase

2 4-nitrophenyl-beta-D-xylopyranoside <=> 4-nitrophenol + p-nitrophenyl-beta-D-xylopyranosyl-(1,3)-beta-D-xylopyranoside 3.2.1.55 non-reducing end alpha-L-arabinofuranosidase

4-nitrophenyl_phosphate + beta-L-3''-deoxy-2'',3''-didehydrothymidine <=> 4-nitrophenol + beta-L-3''-deoxy-2'',3''-didehydrothymidine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

4-nitrophenyl_phosphate + beta-L-3''-deoxy-3''-chlorothymidine <=> 4-nitrophenol + beta-L-3''-deoxy-3''-chlorothymidine_5''-phosphate 2.7.1.77 nucleoside phosphotransferase

Gly-Pro-4-nitrophenyl_ester + H2O <=> Gly-Pro + 4-nitrophenol 3.4.21.26 prolyl oligopeptidase

4-nitrophenyl_methylphosphonate + H2O <=> 4-nitrophenol + phosphite 3.1.6.6 choline-sulfatase

4-nitrophenyl_phosphate + cytidine <=> 4-nitrophenol + CMP 2.7.1.77 nucleoside phosphotransferase

cytidine_5''-p-nitrophenylphosphate + H2O <=> 4-nitrophenol + CMP 3.6.1.24 nucleoside phosphoacylhydrolase

4-nitrophenyl_beta-D-fucoside + H2O <=> 4-nitrophenol + D-fucose 3.2.1.182 4-hydroxy-7-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl glucoside beta-D-glucosidase
3.2.1.188 avenacosidase
3.2.1.21 beta-glucosidase
3.2.1.74 glucan 1,4-beta-glucosidase
3.2.1.B26
3.2.1.B34
3.2.1.B41







p-nitrophenyl_alpha-D-fucoside + H2O <=> 4-nitrophenol + D-fucose 3.2.1.21 beta-glucosidase
3.2.1.22 alpha-galactosidase


methyl_4-nitrophenyl_propan-2-yl_(R)-phosphate + H2O <=> methyl_1-methylethyl_hydrogen_phosphate + 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

methyl_4-nitrophenyl_propan-2-yl_(S)-phosphate + H2O <=> methyl_1-methylethyl_hydrogen_phosphate + 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

4-nitrophenyl_N-acetyl-beta-D-thioglucosaminide + H2O <=> 4-nitrophenol + N-acetyl-beta-D-thioglucosamine 3.2.1.169 protein O-GlcNAcase

p-nitrophenylhexa[alpha-D-glucopyranosyl(1-4)]-alpha-D-glucopyranoside + H2O <=> 4-nitrophenol + 4-nitrophenyl_alpha-D-glucopyranoside + p-nitrophenyldi[alpha-D-glucopyranosyl(1-4)]-alpha-D-glucopyranoside + p-nitrophenyl-(alpha-1,4-glucopyranosyl)3-D-glucose + p-nitrophenyl-D-maltopentaoside 3.2.1.1 alpha-amylase

benzyloxycarbonyl-Ala-4-nitrophenol + H2O <=> Benzyloxycarbonyl-Ala + 4-nitrophenol 3.4.21.37 leukocyte elastase

4-nitrophenyl_phosphate + H2O <=> 4-nitrophenol + H2O 3.1.3.48 protein-tyrosine-phosphatase

4-nitrophenol + H2O <=> phenol + NH3 3.5.1.19 nicotinamidase

4-nitrophenyl_butyrate + H2O <=> 4-nitrophenol 3.4.21.62 subtilisin

4-nitrophenyl_beta-D-galactopyranoside + 2-phenylethanol <=> 2-phenylethyl-beta-D-galactoside + 4-nitrophenol 3.2.1.21 beta-glucosidase

4-nitrophenyl_beta-D-galactopyranoside + H2O <=> 4-nitrophenol + D-galactose 3.2.1.118 prunasin beta-glucosidase
3.2.1.126 coniferin beta-glucosidase
3.2.1.14 chitinase
3.2.1.188 avenacosidase
3.2.1.21 beta-glucosidase
3.2.1.23 beta-galactosidase
3.2.1.37 xylan 1,4-beta-xylosidase
3.2.1.58 glucan 1,3-beta-glucosidase
3.2.1.89 arabinogalactan endo-beta-1,4-galactanase
3.2.1.91 cellulose 1,4-beta-cellobiosidase (non-reducing end)
3.2.1.B26
3.2.1.B28
3.2.1.B34
3.2.1.B40
3.2.1.B41















4-nitrophenyl_beta-D-galactopyranoside + H2O <=> 4-nitrophenol + beta-D-galactose 3.1.1.73 feruloyl esterase
3.2.1.108 lactase
3.2.1.120 oligoxyloglucan beta-glycosidase
3.2.1.126 coniferin beta-glucosidase
3.2.1.145 galactan 1,3-beta-galactosidase
3.2.1.161 beta-apiosyl-beta-glucosidase
3.2.1.182 4-hydroxy-7-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl glucoside beta-D-glucosidase
3.2.1.21 beta-glucosidase
3.2.1.22 alpha-galactosidase
3.2.1.23 beta-galactosidase
3.2.1.25 beta-mannosidase
3.2.1.37 xylan 1,4-beta-xylosidase
3.2.1.38 beta-D-fucosidase
3.2.1.40 alpha-L-rhamnosidase
3.2.1.45 glucosylceramidase
3.2.1.52 beta-N-acetylhexosaminidase
3.2.1.55 non-reducing end alpha-L-arabinofuranosidase
3.2.1.62 glycosylceramidase
3.2.1.74 glucan 1,4-beta-glucosidase
3.2.1.B1
3.2.1.B26
3.2.1.B28
3.2.1.B35
3.7.1.4 phloretin hydrolase
























4-nitrophenyl_beta-D-galactopyranoside + H2O <=> 4-nitrophenol + alpha-D-galactose 3.2.1.22 alpha-galactosidase

4-nitrophenyl_beta-D-galactopyranoside + H2O <=> 4-nitrophenol + beta-D-glucose 3.2.1.21 beta-glucosidase

4-nitrophenyl_6-O-sulfo-N-acetyl-beta-D-glucosaminide + 4-nitrophenyl_N-acetyl-beta-D-glucosaminide <=> 4-nitrophenyl-2-(acetylamino)-4-O-[2-(acetylamino)-2-deoxy-6-O-sulfo-beta-D-glucopyranosyl]-2-deoxy-beta-D-glucopyranoside + 4-nitrophenol 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl_N-acetyl-beta-D-glucosaminide + H2O <=> 4-nitrophenol + 2-acetamido-1-amino-1,2-dideoxy-beta-D-glucose 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl_N-acetyl-beta-D-glucosaminide + H2O <=> N-acetyl-D-glucosamine + 4-nitrophenol 3.2.1.14 chitinase
3.2.1.169 protein O-GlcNAcase
3.2.1.52 beta-N-acetylhexosaminidase
3.2.1.96 mannosyl-glycoprotein endo-beta-N-acetylglucosaminidase




p-nitrophenyl-2'',3''-isopropyl-5''-UMP + H2O <=> 4-nitrophenol + isopropyl-5''-UMP 3.1.13.3 oligonucleotidase

p-nitrophenyl-GlcNAc + H2O <=> 4-nitrophenol + N-acetyl-D-glucosamine 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl_oleate + H2O <=> 4-nitrophenol + oleic_acid 3.1.1.3 triacylglycerol lipase
3.1.1.79 hormone-sensitive lipase


acetyl-Glu-4-nitrophenyl_ester + H2O <=> N-acetyl-L-glutamate + 4-nitrophenol 3.4.21.19 glutamyl endopeptidase

4-nitrophenyl_phosphate + methanol <=> 4-nitrophenol + methyl_phosphate 3.1.3.2 acid phosphatase

beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-p-nitrophenyl + methanol <=> beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-methyl + 4-nitrophenol 3.2.1.97 endo-alpha-N-acetylgalactosaminidase

4-nitrophenyl-beta-D-xylopyranoside + methanol <=> 4-nitrophenol + methyl_beta-D-xylopyranoside 3.2.1.37 xylan 1,4-beta-xylosidase

p-nitrophenyl_6-O-sulfo-N-acetyl-beta-D-glucosaminide + prop-2-en-1-yl_2-(acetylamino)-2-deoxy-alpha-D-glucopyranoside <=> prop-2-en-1-yl_2-(acetylamino)-4-O-[2-(acetylamino)-2-deoxy-6-O-sulfo-beta-D-glucopyranosyl]-2-deoxy-alpha-D-glucopyranoside + 4-nitrophenol 3.2.1.52 beta-N-acetylhexosaminidase

p-nitrophenyl_6-O-sulfo-N-acetyl-beta-D-glucosaminide + methyl_2-(acetylamino)-2-deoxy-alpha-D-glucopyranoside <=> methyl_2-(acetylamino)-4-O-[2-(acetylamino)-2-deoxy-6-O-sulfo-beta-D-glucopyranosyl]-2-deoxy-alpha-D-glucopyranoside + 4-nitrophenol 3.2.1.52 beta-N-acetylhexosaminidase

p-nitrophenyl_6-O-sulfo-N-acetyl-beta-D-glucosaminide + propyl_2-(acetylamino)-2-deoxy-alpha-D-glucopyranoside <=> propyl_2-(acetylamino)-4-O-[2-(acetylamino)-2-deoxy-6-O-sulfo-beta-D-glucopyranosyl]-2-deoxy-alpha-D-glucopyranoside + 4-nitrophenol 3.2.1.52 beta-N-acetylhexosaminidase

p-nitrophenyl_6-O-sulfo-N-acetyl-beta-D-glucosaminide + prop-2-en-1-yl_alpha-D-glucopyranoside <=> prop-2-en-1-yl_4-O-[2-(acetylamino)-2-deoxy-6-O-sulfo-beta-D-glucopyranosyl]-alpha-D-glucopyranoside + 4-nitrophenol 3.2.1.52 beta-N-acetylhexosaminidase

p-nitrophenyl_6-O-sulfo-N-acetyl-beta-D-glucosaminide + H2O <=> 4-nitrophenol + N-acetyl-beta-D-glucosamine-6-sulfate 3.2.1.52 beta-N-acetylhexosaminidase

ADP-glucose + 4-nitrophenol <=> ADP + 4-nitrophenyl-beta-D-glucopyranoside 2.4.1.35 phenol beta-glucosyltransferase

4-nitrophenyl_arabinofuranoside + H2O <=> 4-nitrophenol + L-arabinose 3.2.1.8 endo-1,4-beta-xylanase

4-nitrophenyl_xylopyranoside + H2O <=> 4-nitrophenol + D-xylose 3.1.1.72 acetylxylan esterase
3.2.1.37 xylan 1,4-beta-xylosidase
3.2.1.8 endo-1,4-beta-xylanase



p-nitrophenyl_2-acetamide-2-deoxy-3-O-(beta-D-galactopyranosyl)-alpha-D-galactopyranoside + H2O <=> 4-nitrophenol + GalNAc-alpha-(1-3)-Gal 3.2.1.49 alpha-N-acetylgalactosaminidase

p-nitrophenyl_alpha-arabinofuranoside + H2O <=> 4-nitrophenol + alpha-D-arabinose 3.2.1.21 beta-glucosidase
3.2.1.23 beta-galactosidase


p-nitrophenyl_alpha-D-rhamnopyranoside + ethyl_1-thio-alpha-D-rhamnopyranoside <=> 4-nitrophenol + ethyl_alpha-D-rhamnopyranosyl-(1-2)-1-thio-alpha-D-rhamnopyranoside 3.2.1.24 alpha-mannosidase

p-nitrophenyl_alpha-D-rhamnopyranoside + H2O <=> 4-nitrophenol + alpha-D-rhamnose 3.2.1.21 beta-glucosidase

p-nitrophenyl-alpha-D-arabinoside + H2O <=> 4-nitrophenol + alpha-D-arabinose 3.2.1.37 xylan 1,4-beta-xylosidase

p-nitrophenyl-alpha-N-acetyl-D-galactoaminide + H2O <=> 4-nitrophenol + N-acetyl-alpha-D-galactosamine 3.2.1.49 alpha-N-acetylgalactosaminidase

p-nitrophenyl-beta-D-arabinofuranoside + H2O <=> 4-nitrophenol + beta-D-arabinose 3.2.1.37 xylan 1,4-beta-xylosidase

p-nitrophenyl-beta-D-N,N'',N''''-triacetylchitotriose + H2O <=> N,N'',N''''-triacetylchitotriose + 4-nitrophenol 3.2.1.14 chitinase

4-nitrophenyl_beta-N,N'',N''''-triacetylchitotrioside + H2O <=> 4-nitrophenol + beta-N,N'',N''''-triacetylchitotriose 3.2.1.14 chitinase

4-nitrophenyl_formate + H2O <=> 4-nitrophenol + formate 3.1.1.3 triacylglycerol lipase
3.1.1.5 lysophospholipase
3.1.1.6 acetylesterase



4-nitrophenyl-L-leucine + H2O <=> 4-nitrophenol + L-leucine 3.4.11.24 aminopeptidase S

4-nitrophenyl-N-acetyl-alpha-D-galactosamide + H2O <=> 4-nitrophenol + N-acetyl-alpha-D-galactosamine 3.2.1.49 alpha-N-acetylgalactosaminidase

p-nitrophenyl-beta-D-xylofuranoside + H2O <=> 4-nitrophenol + beta-D-xylofuranose 3.2.1.55 non-reducing end alpha-L-arabinofuranosidase

4-nitrophenyl_N-acetyl-D-glucosaminide + H2O <=> 4-nitrophenol + N-acetyl-beta-D-glucosamine 3.2.1.14 chitinase

4-nitrophenyl_N-acetyl-D-glucosaminide + H2O <=> 4-nitrophenol + N-acetyl-D-glucosamine 3.2.1.52 beta-N-acetylhexosaminidase

p-nitrophenyl-soman + H2O <=> 4-nitrophenol + soman 3.1.8.2 diisopropyl-fluorophosphatase

N-Benzyloxycarbonyl-Gly_4-nitrophenyl_ester + H2O <=> Benzyloxycarbonyl-Gly + 4-nitrophenol 3.1.1.1 carboxylesterase
3.4.21.57 leucyl endopeptidase
3.4.21.83 oligopeptidase B
3.4.22.1 cathepsin B
3.4.22.10 streptopain
3.4.22.14 actinidain
3.4.22.2 papain
3.4.22.3 ficain
3.4.22.32 stem bromelain
3.4.22.34 legumain
3.4.22.7 asclepain
3.4.23.42 thermopsin












N-carbobenzoxy-L-Ile_4-nitrophenyl_ester + H2O <=> benzyloxycarbonyl-Ile + 4-nitrophenol 3.4.22.7 asclepain

p-nitrophenyl_beta-L-arabinoside + H2O <=> 4-nitrophenol + beta-L-arabinopyranose 3.2.1.21 beta-glucosidase
3.2.1.25 beta-mannosidase
3.2.1.88 non-reducing end beta-L-arabinopyranosidase



p-nitrophenyl_beta-L-arabinoside + H2O <=> 4-nitrophenol + L-arabinopyranose 3.2.1.B34

p-nitrophenyl-beta-2-acetamido-2-deoxy-D-galactopyranoside + H2O <=> N-acetyl-D-galactosamine + 4-nitrophenol 3.2.1.52 beta-N-acetylhexosaminidase

Nalpha-benzyloxycarbonyl-L-Ala_p-nitrophenyl_ester + H2O <=> Benzyloxycarbonyl-Ala + 4-nitrophenol 3.4.21.1 chymotrypsin
3.4.22.3 ficain


beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-p-nitrophenyl + 1-Pentanol <=> beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-pentyl + 4-nitrophenol 3.2.1.97 endo-alpha-N-acetylgalactosaminidase

4-nitrophenyl_2-methyldecanoate + H2O <=> (S)-2-methyldecanoate + 4-nitrophenol + (R)-2-methyldecanoic_acid_4-nitrophenyl_ester 3.1.1.3 triacylglycerol lipase

3''-O-acetyl-5''-O-[hydroxy(4-nitrophenoxy)phosphoryl]thymidine + H2O <=> 4-nitrophenol + 3''-O-acetylthymidine_5''-phosphate 3.1.4.1 phosphodiesterase I

butan-2-yl_4-nitrophenyl_methylphosphonate + H2O <=> butan-2-yl_hydrogen_methylphosphonate + 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

methyl_4-nitrophenyl_methylphosphonate + H2O <=> methyl_methylphosphonate + 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

O-methyl_O-(4-nitrophenyl)_methylphosphonothioate + H2O <=> O-methyl-methylphosphonothionic_acid + 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

propyl_4-nitrophenyl_methylphosphonate + H2O <=> propyl_hydrogen_methylphosphonate + 4-nitrophenol 3.1.8.1 aryldialkylphosphatase

(N-glycolylneuraminic_acid)(alpha2,6)GalNAcbeta-p-nitrophenol + H2O <=> (N-glycolylneuraminic_acid)(alpha2,6)GalNAc + 4-nitrophenol 3.2.1.18 exo-alpha-sialidase

Neu5,9Ac2(alpha2,3)Galbeta-p-nitrophenol + H2O <=> Neu5,9Ac2(alpha2,3)Gal + 4-nitrophenol 3.2.1.18 exo-alpha-sialidase

Neu5,9Ac2(alpha2,6)Galbeta-p-nitrophenol + H2O <=> Neu5,9Ac2(alpha2,6)Gal + 4-nitrophenol 3.2.1.18 exo-alpha-sialidase

Neu5,9Ac2(alpha2,6)GalNAcbeta-p-nitrophenol + H2O <=> Neu5,9Ac2(alpha2,6)GalNAc + 4-nitrophenol 3.2.1.18 exo-alpha-sialidase

Neu5Ac(alpha2,6)Galbeta-p-nitrophenol + H2O <=> Neu5Ac(alpha2,6)Gal + 4-nitrophenol 3.2.1.18 exo-alpha-sialidase

Neu5Ac(alpha2,6)Galbeta-p-nitrophenol + H2O <=> Neu5Acalpha2,6Galbeta + 4-nitrophenol 3.2.1.18 exo-alpha-sialidase

Neu5Ac(alpha2,6)GalNAcbeta-p-nitrophenol + H2O <=> Neu5Ac(alpha2,6)GalNAc + 4-nitrophenol 3.2.1.18 exo-alpha-sialidase

tert-butyloxycarbonyl-Ala-4-nitrophenyl_ester + H2O <=> tert-butyloxycarbonyl-Ala + 4-nitrophenol 3.4.21.36 pancreatic elastase
3.4.21.37 leukocyte elastase
3.4.21.70 pancreatic endopeptidase E
3.4.22.10 streptopain




tert-butyloxycarbonyl-Val-4-nitrophenyl_ester + H2O <=> Nalpha-tert-butoxycarbonyl-L-Val + 4-nitrophenol 3.4.21.37 leukocyte elastase

benzyloxycarbonyl-Gly-Gly-Pro-p-nitrophenol + H2O <=> benzyloxycarbonyl-Gly-Gly-Pro + 4-nitrophenol 3.4.21.26 prolyl oligopeptidase

AMP + 4-nitrophenyl_sulfate <=> adenosine_5''-phosphate_5''-sulfate + 4-nitrophenol 2.8.2.1 aryl sulfotransferase

4-nitrophenyl_phosphate + adenosine <=> 5''-AMP + 4-nitrophenol 2.7.1.77 nucleoside phosphotransferase

5''-p-nitrophenyladenosine_5''-phosphate + H2O <=> 5''-AMP + 4-nitrophenol 3.1.4.1 phosphodiesterase I

adenosine_5''-p-nitrophenylphosphate + H2O <=> 4-nitrophenol + AMP 3.6.1.24 nucleoside phosphoacylhydrolase

4-nitrophenyl_hexanoate + H2O <=> 4-nitrophenol + Decanoate 3.1.1.13 sterol esterase

p-nitrophenyldi[alpha-D-glucopyranosyl(1-4)]-alpha-D-glucopyranoside + H2O <=> 4-nitrophenol + 4-nitrophenyl_alpha-D-glucopyranoside + p-nitrophenyldi[alpha-D-glucopyranosyl(1-4)]-alpha-D-glucopyranoside + p-nitrophenyl-(alpha-1,4-glucopyranosyl)3-D-glucose 3.2.1.1 alpha-amylase

beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-p-nitrophenyl + 1-Hexanol <=> beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-hexyl + 4-nitrophenol 3.2.1.97 endo-alpha-N-acetylgalactosaminidase

4-nitrophenyl_acetate + 4-nitroaniline <=> 4-nitrophenol + p-nitroacetanilide 2.3.1.5 arylamine N-acetyltransferase

beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-p-nitrophenyl + 1-Octanol <=> beta-D-Gal-(1-3)-alpha-D-GalNAc-(1-O)-1-octyl + 4-nitrophenol 3.2.1.97 endo-alpha-N-acetylgalactosaminidase

4-nitrophenyl_N-acetylchitobioside + H2O <=> 4-nitrophenol + N,N'-diacetylchitobiose 3.2.1.14 chitinase

1-methylethyl_4-nitrophenyl_(1-methylpropyl)phosphonate + H2O <=> 4-nitrophenol + 1-methylethyl_hydrogen_(1-methylpropyl)phosphonate 3.1.8.1 aryldialkylphosphatase

ethyl_1-methylethyl_4-nitrophenyl_phosphate + H2O <=> 4-nitrophenol + ethyl_1-methylethyl_hydrogen_phosphate 3.1.8.1 aryldialkylphosphatase

ethyl_4-nitrophenyl_(1-methylpropyl)phosphonate + H2O <=> 4-nitrophenol + ethyl_hydrogen_(1-methylpropyl)phosphonate 3.1.8.1 aryldialkylphosphatase

methyl_1-methylethyl_4-nitrophenyl_phosphate + H2O <=> 4-nitrophenol + methyl_1-methylethyl_hydrogen_phosphate 3.1.8.1 aryldialkylphosphatase

p-nitrophenyl_2-acetamido-2-deoxy-3-O-sulfo-beta-D-glucopyranoside + H2O <=> 4-nitrophenol + 2-acetamido-2-deoxy-3-O-sulfo-beta-D-glucopyranose 3.2.1.52 beta-N-acetylhexosaminidase

p-nitrophenyl-alpha-L-fucose + UDP-beta-D-GlcNAc <=> GlcNAc-beta-1,3-fucitol + 4-nitrophenol + UDP 2.4.1.222 O-fucosylpeptide 3-beta-N-acetylglucosaminyltransferase

4-nitrophenyl_2-deoxy-2-amino-O3,O4,O6-triacetyl-N-fluoroacetyl-beta-D-glucopyranoside + H2O <=> 2-deoxy-2-amino-O3,O4,O6-triacetyl-N-fluoroacetyl-beta-D-glucopyranose + 4-nitrophenol 3.2.1.169 protein O-GlcNAcase

4-nitrophenyl_2-deoxy-2-amino-O3,O4,O6-triacetyl-N-difluoroacetyl-beta-D-glucopyranoside + H2O <=> 2-deoxy-2-amino-O3,O4,O6-triacetyl-N-difluoroacetyl-beta-D-glucopyranose + 4-nitrophenol 3.2.1.169 protein O-GlcNAcase

4-nitrophenyl_2-deoxy-2-amino-O3,O4,O6-triacetyl-N-trifluoroacetyl-beta-D-glucopyranoside + H2O <=> 2-deoxy-2-amino-O3,O4,O6-triacetyl-N-trifluoroacetyl-beta-D-glucopyranose + 4-nitrophenol 3.2.1.169 protein O-GlcNAcase

4-nitrophenyl_2-deoxy-2-amino-O3,O4,O6-triacetyl-N-butanoyl-beta-D-glucopyranoside + H2O <=> 2-deoxy-2-amino-O3,O4,O6-triacetyl-N-butanoyl-beta-D-glucopyranose + 4-nitrophenol 3.2.1.169 protein O-GlcNAcase

4-nitrophenyl_2-deoxy-2-amino-N,O3,O4,O6-tetraacetyl-beta-D-glucopyranoside + H2O <=> 2-deoxy-2-amino-N,O3,O4,O6-tetraacetyl-beta-D-glucopyranose + 4-nitrophenol 3.2.1.169 protein O-GlcNAcase

4-nitrophenyl-5''-TMP + H2O <=> 4-nitrophenol + 5''-TMP 3.6.1.9 nucleotide diphosphatase

4-nitrophenyl_alpha-D-glucopyranoside + 4-nitrophenyl_6-O-sulfo-N-acetyl-beta-D-glucosaminide <=> 4-nitrophenyl-[6-O-sulfo-beta-D-glucopyranosyl]-2-alpha-D-glucopyranoside + 4-nitrophenol 3.2.1.52 beta-N-acetylhexosaminidase

4-nitrophenyl_alpha-D-glucopyranoside + H2O <=> 4-nitrophenol + D-glucose 3.2.1.10 oligo-1,6-glucosidase
3.2.1.106 mannosyl-oligosaccharide glucosidase
3.2.1.2 beta-amylase
3.2.1.20 alpha-glucosidase
3.2.1.207 mannosyl-oligosaccharide alpha-1,3-glucosidase
3.2.1.21 beta-glucosidase
3.2.1.22 alpha-galactosidase
3.2.1.23 beta-galactosidase
3.2.1.3 glucan 1,4-alpha-glucosidase
3.2.1.37 xylan 1,4-beta-xylosidase
3.2.1.48 sucrose alpha-glucosidase
3.2.1.55 non-reducing end alpha-L-arabinofuranosidase
3.2.1.58 glucan 1,3-beta-glucosidase
3.2.1.70 glucan 1,6-alpha-glucosidase
3.2.1.74 glucan 1,4-beta-glucosidase















4-nitrophenyl_alpha-D-glucopyranoside + H2O <=> 4-nitrophenol + D-xylose 3.2.1.177 alpha-D-xyloside xylohydrolase

4-nitrophenyl_alpha-D-glucopyranoside + H2O <=> 4-nitrophenol + alpha-D-glucopyranoside 3.2.1.20 alpha-glucosidase

4-nitrophenyl-GlcNAcbeta(1-4)GlcNAcbeta(1-4)GlcNAc + H2O <=> 4-nitrophenol + N,N',N''-triacetylchitotriose 3.2.1.14 chitinase

4-nitrophenyl_thioacetate + H2O <=> 4-nitrophenol + thioacetate 3.1.2.12 S-formylglutathione hydrolase

N-alpha-benzyloxycarbonyl-L-Asp-4-nitrophenyl_ester + H2O <=> N-carbobenzoxy-L-aspartic_acid + 4-nitrophenol 3.4.22.7 asclepain

p-Nitrophenol_alpha-D-glucopyranoside + H2O <=> alpha-D-glucose + 4-nitrophenol 3.2.1.177 alpha-D-xyloside xylohydrolase
3.2.1.199 sulfoquinovosidase
3.2.1.20 alpha-glucosidase



p-nitrophenyl-beta-D-glucuronide + H2O <=> 4-nitrophenol + D-glucuronate 3.2.1.31 beta-glucuronidase

4-nitrophenyl_alpha-D-glucopyranoside <=> 4-nitrophenol + 1,5-Anhydro-D-fructose 4.2.2.13 exo-(1->4)-alpha-D-glucan lyase

p-nitrophenyl-beta-D-xylobioside + H2O <=> beta-D-xylose + 4-nitrophenol 3.2.1.8 endo-1,4-beta-xylanase

H2O + p-Nitrophenyl_phenylphosphonate <=> 4-nitrophenol + methylphosphonate 3.1.4.1 phosphodiesterase I

H2O + p-nitrophenyl-(alpha-1,4-glucopyranosyl)3-D-glucose <=> 4-nitrophenol + maltotetraose 3.2.1.1 alpha-amylase

H2O + p-nitrophenyl_beta-L-arabinoside <=> 4-nitrophenol + beta-L-Arabinopyranoside 3.2.1.22 alpha-galactosidase

beta-D-glucose + 4-nitrophenyl-beta-D-glucopyranoside <=> 4-nitrophenol + cellobiose 3.2.1.74 glucan 1,4-beta-glucosidase