| SUBSTRATE | PRODUCT | REACTION DIAGRAM | ORGANISM | UNIPROT ACCESSION NO. | COMMENTARY/ Substrate | LITERATURE/ Substrate | COMMENTARY/ Product | LITERATURE/ Product | Reversibility r=reversible ir=irreversible ?=not specified |
| (4R)-hydroxy-3-methyl-2-(2-propynyl)-cyclopent-2-enone acetate + H2O | ? |
 | Acinetobacter sp. | - | highly enantioselective enzyme, enantioselectivity raises by 1.2fold from 16 to 20 when reaction temperature is raised from 30°C to 60°C. Both enantioselectivity and activity are raised by addition of the cationic detergent benzethonium chloride | 666086 | - | - | ? |
| (R)-1,2-O-isopropylidene glycol acetate + H2O | (R)-1,2-O-isopropylidene glycol + acetate |
 | Kluyveromyces marxianus | - | - | 699069 | - | - | ? |
| (R,S)-1,2-O-isopropylidene glycol butyrate + H2O | (R)-1,2-O-isopropylidene glycol + butyrate |
 | Kluyveromyces marxianus | - | fresh bacterial cells or purified EST1 (0.01 micromol p-nitrophenol/min), 28°C, pH 8, 5% (v/v) glycerol, 1 mM EDTA, 1 mM dithiothreitol | 699069 | low enantioselectivity (enantiomeric ratio E: 2.5 for EST1, E: 2.5 for whole cells) | - | ? |
| (R,S)-1,2-O-isopropylidene glycol caproate + H2O | (R)-1,2-O-isopropylidene glycol + caproate |
 | Kluyveromyces marxianus | - | fresh bacterial cells or purified EST1 (0.01 micromol p-nitrophenol/min), 28°C, pH 8, 5% (v/v) glycerol, 1 mM EDTA, 1 mM dithiothreitol | 699069 | no enantioselectivity by EST1 (enantiomeric ratio E: 1) compared to E: 2.8 for whole cells | - | ? |
| 1-naphthol acetate + H2O | 1-naphthol + acetate |
 | Lactobacillus plantarum | - | - | 35236 | - | - | ? |
| 1-naphthol acetate + H2O | 1-naphthol + acetate |
 | Aspergillus niger | - | - | 35230 | - | - | - |
| 1-naphthol acetate + H2O | 1-naphthol + acetate |
 | Bacillus pumilus | - | - | 23597 | - | - | ? |
| 1-naphthol acetate + H2O | 1-naphthol + acetate |
 | Antheraea polyphemus | - | - | 35226 | - | - | ? |
| 1-naphthyl acetate + H2O | 1-naphthol + acetate |
 | Meyerozyma guilliermondii | - | - | 653087 | - | 653087 | ? |
| 1-naphthyl acetate + H2O | 1-naphthol + acetate |
 | Vitis vinifera | - | - | 678012 | - | - | ? |
| 1-naphthyl acetate + H2O | 1-naphthol + acetate |
 | Eleusine coracana | - | - | 680319 | product determination by NMR and mass spectroscopy | - | ? |
| 1-phenyl-1-(trifluoromethyl)prop-2-yn-1-yl acetate + H2O | 1-phenyl-1-(trifluoromethyl)prop-2-yn-1-ol + acetate |
 | Bacillus subtilis | - | determination of enantiopreference, wild-type R enantioselectivity is 42 | 695582 | spectrophotometric assay coupling released acetate to NADH generation | - | ? |
| 2-benzylcyclohex-1-en-1-yl acetate + H2O | 2-benzylcyclohexanone + acetate |
 | Marchantia polymorpha | - | isoenzyme Est I, 99% conversion of substrate with 99% S-configuration of product, isoenzyme Est II, 11% conversion of substrate with R-configuration of product | 666089 | - | - | ? |
| 2-ethylcyclohex-1-en-1-yl acetate + H2O | 2-ethylcyclohexanone + acetate |
 | Marchantia polymorpha | - | isoenzyme Est I, 99% conversion of substrate with 99% S-configuration of product | 666089 | - | - | ? |
| 2-isopropylcyclohex-1-en-1-yl acetate + H2O | 2-isopropylcyclohexanone + acetate |
 | Marchantia polymorpha | - | isoenzyme Est I, 10% conversion of substrate with R-configuration of product | 666089 | - | - | ? |
| 2-methylcyclohex-1-en-1-yl acetate + H2O | (S)-2-methylcyclohexanone + acetate |
 | Marchantia polymorpha | - | isoenzyme Est I, 99% conversion of substrate with 99% S-configuration of product | 666089 | - | - | ? |
| 2-n-pentylcyclohex-1-en-1-yl acetate + H2O | 2-n-pentylcyclohexanone + acetate |
 | Marchantia polymorpha | - | isoenzyme Est I, 20% conversion of substrate with R-configuration of product, isoenzyme Est II, 16% conversion of substrate with S-configuration of product | 666089 | - | - | ? |
| 2-n-propylcyclohex-1-en-1-yl acetate + H2O | 2-n-propylcyclohexanone + acetate |
 | Marchantia polymorpha | - | isoenzyme Est I, 99% conversion of substrate with 99% R-configuration of product | 666089 | - | - | ? |
| 2-naphthol acetate + H2O | 2-naphthol + acetate |
 | Bacillus subtilis | - | - | 35235 | - | - | ? |
| 2-naphthol acetate + H2O | 2-naphthol + acetate |
 | Antheraea polyphemus | - | - | 35226 | - | - | ? |
| 2-naphthyl acetate + H2O | 2-naphthol + acetate |
 | Vitis vinifera | - | - | 678012 | - | - | ? |
| 2-O-acetyl 4-nitrophenyl beta-D-xylopyranoside + H2O | ? |
 | Clostridium thermocellum, Cellvibrio japonicus | - | - | 715029 | - | - | ? |
| 2-t-butylcyclohex-1-en-1-yl acetate + H2O | 2-t-butylcyclohexanone + acetate |
 | Marchantia polymorpha | - | isoenzyme Est I, 21% conversion of substrate with S-configuration of product, isoenzyme Est II, 20% conversion of substrate with R-configuration of product | 666089 | - | - | ? |
| 3,6-diacetylmorphine + H2O | morphine + acetate |
 | Rhodococcus sp. | - | i.e. heroin, rapid spontaneous hydrolysis of the instable 3-acetyl group | 652394 | - | 652394 | ? |
| 3-O-acetyl 4-nitrophenyl beta-D-xylopyranoside + H2O | ? |
 | Clostridium thermocellum, Cellvibrio japonicus | - | - | 715029 | - | - | ? |
| 3-O-methyl D-glucopyranoside + vinyl acetate | ? + vinyl alcohol |
 | Clostridium thermocellum, Cellvibrio japonicus | - | - | 715029 | - | - | ? |
| 4-methylumbelliferone + H2O | ? |
 | Trypanosoma brucei | - | - | 35231 | - | - | ? |
| 4-methylumbelliferyl acetate + H2O | ? |
 | Trypanosoma brucei | - | - | 35231 | - | - | - |
| 4-methylumbelliferyl acetate + H2O | ? |
 | Bacillus pumilus | - | - | 23597 | - | - | ? |
| 4-methylumbelliferyl acetate + H2O | ? |
 | Schizophyllum commune | - | - | 23607 | - | - | ? |
| 4-nitrophenyl acetate + H2O | 4-nitrophenol + acetate |
 | Hypocrea jecorina | A7J2C6 | - | 695758 | - | - | ? |
| 4-nitrophenyl acetate + H2O | 4-nitrophenol + acetate |
 | Eleusine coracana | - | - | 680319 | product determination by NMR and mass spectroscopy | - | ? |
| 4-nitrophenyl acetate + H2O | 4-nitrophenol + acetate |
 | Alphacoronavirus | - | serine esterase activity | 652759 | - | 652759 | ? |
| 4-nitrophenyl acetate + H2O | 4-nitrophenol + acetate |
 | Hypocrea jecorina | A7J2C6 | 5 min, 30°C, pH 5.8, for kinetic analyses: 0.05-5 mM substrate in 100 mM sodium phosphate buffer | 695758 | analysis by spectrophotometry at 410 nm | - | ? |
| 4-nitrophenyl acetate + H2O | 4-nitrophenol + acetate |
 | Bacillus subtilis | - | determination of specific activity | 695582 | - | - | ? |
| 4-nitrophenyl acetate + H2O | 4-nitrophenol + acetate |
 | Alphacoronavirus SARS-CoV | - | serine esterase activity | 652759 | - | 652759 | ? |
| 4-nitrophenyl butyrate + H2O | 4-nitrophenol + butyrate |
 | Escherichia coli | P23872 | - | 715950 | - | - | ? |
| 4-nitrophenyl butyrate + H2O | 4-nitrophenol + butyrate |
 | Hypocrea jecorina | A7J2C6 | 5 min, 30°C, pH 5.8 | 695758 | - | - | ? |
| 4-nitrophenyl formate + H2O | 4-nitrophenol + formate |
 | Hypocrea jecorina | A7J2C6 | 5 min, 30°C, pH 5.8 | 695758 | - | - | ? |
| 4-nitrophenyl hexanoate + H2O | 4-nitrophenol + hexanoate |
 | Escherichia coli | - | - | 682718 | - | - | ? |
| 4-nitrophenyl-2-O-acetyl-alpha-L-arabinofuranoside + H2O | 4-nitrophenyl-alpha-L-arabinofuranoside + acetate |
 | Aspergillus oryzae | - | - | 680967 | - | - | ? |
| 4-nitrophenyl-2-O-acetyl-beta-D-xylopyranoside + H2O | 4-nitrophenyl-beta-D-xylopyranoside + acetate |
 | Aspergillus oryzae | - | preferred substrate | 680967 | - | - | ? |
| 4-nitrophenyl-3-O-acetyl-beta-D-xylopyranoside + H2O | 4-nitrophenyl-beta-D-xylopyranoside + acetate |
 | Aspergillus oryzae | - | - | 680967 | - | - | ? |
| 4-nitrophenyl-4-O-acetyl-beta-D-xylopyranoside + H2O | 4-nitrophenyl-beta-D-xylopyranoside + acetate |
 | Aspergillus oryzae | - | - | 680967 | - | - | ? |
| 4-nitrophenyl-5-O-acetyl-alpha-L-arabinofuranoside + H2O | 4-nitrophenyl-alpha-L-arabinofuranoside + acetate |
 | Aspergillus oryzae | - | - | 680967 | - | - | ? |
| 4-nitrophenyl-beta-D-xylopyranoside monoacetate + H2O | 4-nitrophenyl-beta-D-xylopyranoside + acetate |
 | Hypocrea jecorina | A7J2C6 | 4 mM substrate, position-specificity, hydrolysis activity is specific for 3-, and 4-O-acetyl 4-nitrophenyl-beta-D-xylopyranoside, 2-O-acetyl 4-nitrophenyl-beta-D-xylopyranoside is a bad substrate | 695758 | beta-xylosidase-coupled assay | - | ? |
| 4-nitrophenyl-butanoate + H2O | 4-nitrophenol + butanoate |
 | Escherichia coli | - | - | 682718 | - | - | ? |
| 4-nitrophenyl-D-glucopyranoside + vinyl acetate | 4-nitrophenyl 3-O-acetyl-D-glucopyranoside + ethylene |
 | Hypocrea jecorina | - | yield is 70.2% | 666091 | - | - | ? |
| 4-O-acetyl 4-nitrophenyl beta-D-xylopyranoside + H2O | ? |
 | Clostridium thermocellum, Cellvibrio japonicus | - | - | 715029 | - | - | ? |
| 6,6-diacetyl 13-sophorosyloxysocosanoic acid + H2O | ? |
 | Candida bororiensis | - | - | 35232 | - | - | ? |
| 6-acetylmorphine + H2O | morphine + acetate |
 | Rhodococcus sp. | - | substrate specificity | 652394 | - | 652394 | ? |
| 6-O-acetyl-D-mannopyranose + H2O | ? |
 | Cellvibrio japonicus | - | - | 715029 | - | - | ? |
| 6-O-acetyl-D-mannopyranoside + H2O | ? |
 | Clostridium thermocellum | - | - | 715029 | - | - | ? |
| 7-aminocephalosporanic acid + H2O | deacetylated 7-aminocephalosporanic acid + acetate |
 | Citrus sinensis | - | - | 663817 | - | - | ? |
| 9-O-acetyl sialic acid + H2O | sialic acid + acetate |
 | Alphacoronavirus, Alphacoronavirus SARS-CoV | - | - | 652759 | - | 652759 | ? |
| acetyl xylan + H2O | xylan + acetate |
 | Aspergillus niger | - | from beech wood or oat spelt | 650815 | - | 650815 | ? |
| acetylxylan + H2O | ? |
 | Aspergillus niger | - | - | 23596 | - | - | ? |
| acetylxylan + H2O | ? |
 | Meyerozyma guilliermondii | - | - | 653087 | - | 653087 | ? |
| acetylxylan + H2O | ? |
 | Bacillus pumilus | - | - | 23597 | - | - | ? |
| acetylxylan + H2O | ? |
 | Streptomyces olivochromogenes | - | - | 35193 | - | - | ? |
| acetylxylan + H2O | ? |
 | Rhodotorula mucilaginosa | - | - | 23601 | - | - | ? |
| acetylxylan + H2O | ? |
 | Aspergillus oryzae | - | - | 35241 | - | - | ? |
| acetylxylan + H2O | ? |
 | Fibrobacter succinogenes | - | - | 23600 | - | - | ? |
| acetylxylan + H2O | ? |
 | Penicillium purpurogenum | - | - | 23594 | - | - | ? |
| acetylxylan + H2O | ? |
 | Streptomyces lividans | - | - | 35239 | - | - | ? |
| acetylxylan + H2O | ? |
 | Schizophyllum commune | - | - | 23607 | - | - | ? |
| acetylxylan + H2O | ? |
 | Orpinomyces sp., Orpinomyces sp. KF7 | - | - | 35242 | - | - | ? |
| acetylxylan + H2O | xylan + acetate |
 | Streptomyces sp. | - | 60°C, pH 6, acetyl xylan esterase (acetate-releasing) activity on birchwood xylan | 701417 | - | - | - |
| alpha-D-glucopyranosyl alpha-D-glucopyranoside + vinyl acetate | ? + vinyl alcohol |
 | Cellvibrio japonicus | - | - | 715029 | - | - | ? |
| alpha-naphthyl acetate + H2O | alpha-naphthol + acetate |
 | Aspergillus oryzae | - | - | 35241 | - | - | ? |
| alpha-naphthyl acetate + H2O | alpha-naphthol + acetate |
 | Fibrobacter succinogenes | - | - | 23600 | - | - | ? |
| alpha-naphthyl acetate + H2O | alpha-naphthol + acetate |
 | Hypocrea jecorina | - | - | 35223 | - | - | ? |
| alpha-naphthyl acetate + H2O | alpha-naphthol + acetate |
 | Penicillium purpurogenum | - | - | 23594 | - | - | ? |
| alpha-naphthyl acetate + H2O | alpha-naphthol + acetate |
 | Streptomyces sp. | - | 15 min, 50°C, pH 6.5 | 701417 | - | - | ? |
| alpha-naphthyl acetate + H2O | alpha-naphthol + acetate |
 | Kluyveromyces marxianus | - | EST1, non-denaturating PAGE, pH7.4 | 699069 | zymogram analyses using Fast Blue PR salt | - | ? |
| apigenin 7-O-(6-O-malonylglucoside) + H2O | ? |
 | Petroselinum crispum | - | - | 35199 | - | - | ? |
| beta-naphthyl acetate + H2O | beta-naphthol + acetate |
 | Cymbopogon martinii | - | - | 653450 | - | 653450 | ? |
| beta-naphthyl acetate + H2O | beta-naphthol + acetate |
 | Homo sapiens | - | sucrose density gradient cell fractions from Hep-G2 and RINm5F cells, pH 8 | 696095 | SDS-PAGE and in gel-zymography | - | ? |
| bovine submaxillary mucin + H2O | deacetylated bovine submaxillary mucin + acetate |
 | Alphacoronavirus, Alphacoronavirus SARS-CoV | - | - | 652759 | - | 652759 | ? |
| cellobiose + vinyl acetate | ? + vinyl alcohol |
 | Clostridium thermocellum, Cellvibrio japonicus | - | - | 715029 | - | - | ? |
| cellobiose octaacetate + H2O | ? |
 | Aspergillus niger | - | low activity | 650815 | - | 650815 | ? |
| cellulose acetate + H2O | cellulose + acetate |
 | Aspergillus niger | - | also in form of acetylated starch, water-soluble and water-insoluble substrate, specific for acetyl substituents at the C2- and C3-positions, C6-acetyl is not hydrolyzed | 650815 | - | 650815 | ? |
| cephalosporin C + H2O | deacetylated cephalosporin C + acetate |
 | Citrus sinensis | - | - | 663817 | - | - | ? |
| chlorogenic acid + H2O | ? |
 | Aspergillus niger | - | - | 35230 | - | - | ? |
| D-galactose + vinyl acetate | ? + vinyl alcohol |
 | Cellvibrio japonicus | - | isozyme CE2B shows 22% transacetylation conversion, isozyme CE2A shows 48% transacetylation conversion | 715029 | - | - | ? |
| D-galactose + vinyl acetate | ? + vinyl alcohol |
 | Clostridium thermocellum | - | isozyme CE2B shows 89% transacetylation conversion | 715029 | - | - | ? |
| D-glucopyranosyl beta-(1,3)-xylopyranoside + vinyl acetate | ? + vinyl alcohol |
 | Clostridium thermocellum | - | - | 715029 | - | - | ? |
| D-glucopyranosyl beta-(1,4)-xylopyranoside + vinyl acetate | ? + vinyl alcohol |
 | Clostridium thermocellum, Cellvibrio japonicus | - | - | 715029 | - | - | ? |
| D-glucose + vinyl acetate | ? + vinyl alcohol |
 | Cellvibrio japonicus | - | isozyme CE2B shows 31% transacetylation conversion, isozyme CE2A shows 25% transacetylation conversion | 715029 | - | - | ? |
| D-glucose + vinyl acetate | ? + vinyl alcohol |
 | Clostridium thermocellum | - | isozyme CE2B shows 86% transacetylation conversion | 715029 | - | - | ? |
| D-mannose + vinyl acetate | ? + vinyl alcohol |
 | Cellvibrio japonicus | - | isozyme CE2B shows 46% transacetylation conversion, isozyme CE2A shows 26% transacetylation conversion | 715029 | - | - | ? |
| D-mannose + vinyl acetate | ? + vinyl alcohol |
 | Clostridium thermocellum | - | isozyme CE2B shows 71% transacetylation conversion | 715029 | - | - | ? |
| D-xylopyranosyl beta-(1,4)-D-glucopyranoside + vinyl acetate | ? + vinyl alcohol |
 | Clostridium thermocellum, Cellvibrio japonicus | - | - | 715029 | - | - | ? |
| diacetin + H2O | ? |
 | Lactobacillus plantarum | - | - | 35236 | - | - | ? |
| D_glucopyranosyl beta-(1,3)-xylopyranoside + vinyl acetate | ? + vinyl alcohol |
 | Cellvibrio japonicus | - | - | 715029 | - | - | ? |
| ethyl acetate + H2O | ethanol + acetate |
 | Nocardia sp. | - | - | 35233 | - | - | ? |
| ethyl acetate + H2O | ethanol + acetate |
 | Wickerhamomyces anomalus, Wickerhamomyces anomalus K, Wickerhamomyces anomalus NCYC 434, Wickerhamomyces anomalus SL-125, Wickerhamomyces anomalus AL112 | - | 25°C, 1 h, pH 7, 7 mM MgCl2, cell extracts | 698520 | - | - | ? |
| geraniol acetate + H2O | geraniol + acetate |
 | Cymbopogon martinii | - | enzyme plays a role in geraniol production and improving palmarosa oil quality during florescence development | 653450 | - | 653450 | ? |
| geranyl acetate + H2O | geraniol + acetate |
 | Cymbopogon martinii | - | - | 653450 | - | 653450 | ? |
| glucose pentaacetate + H2O | ? |
 | Bacillus pumilus | - | - | 23597 | - | - | ? |
| glucose pentaacetate + H2O | ? |
 | Orpinomyces sp. | - | - | 35242 | - | - | ? |
| glucose pentaacetate + H2O | ? |
 | Aspergillus niger | - | good substrate | 650815 | - | 650815 | ? |
| glucose pentaacetate + H2O | ? |
 | Orpinomyces sp. KF7 | - | - | 35242 | - | - | ? |
| glycerol triacetate + H2O | ? |
 | Lactobacillus plantarum | - | - | 35236 | - | - | ? |
| glycerol triacetate + H2O | ? |
 | Aspergillus niger | - | - | 35230 | - | - | ? |
| hemicellulose + H2O | ? |
 | Hypocrea jecorina | - | - | 35223 | - | - | ? |
| isoamyl acetate + H2O | isoamyl alcohol + acetate |
 | Wickerhamomyces anomalus, Wickerhamomyces anomalus K, Wickerhamomyces anomalus NCYC 434, Wickerhamomyces anomalus SL-125, Wickerhamomyces anomalus AL112 | - | 25°C, 1 h, pH 7, 7 mM MgCl2, cell extracts | 698520 | - | - | ? |
| kojic acid + vinyl acetate | 7-O-acetyl-kojic acid + ethylene |
 | Hypocrea jecorina | - | yield is 30.9% | 666091 | - | - | ? |
| malonylated isorhamnetin 3-O-glucoside + H2O | ? |
 | Petroselinum crispum | - | - | 35199 | - | - | ? |
| methyl 2,3-O-diacetyl-beta-D-xylopyranoside + H2O | ? |
 | Clostridium thermocellum, Cellvibrio japonicus | - | - | 715029 | - | - | ? |
| methyl 2,4-O-diacetyl-beta-D-xylopyranoside + H2O | ? |
 | Clostridium thermocellum, Cellvibrio japonicus | - | - | 715029 | - | - | ? |
| methyl 2-O-methyl-beta-D-glucopyranoside + vinyl acetate | ? + vinyl alcohol |
 | Clostridium thermocellum, Cellvibrio japonicus | - | - | 715029 | - | - | ? |
| methyl 3,4-O-diacetyl-beta-D-xylopyranoside + H2O | ? |
 | Clostridium thermocellum, Cellvibrio japonicus | - | - | 715029 | - | - | ? |
| methyl 4-O-methyl-alpha-D-glucopyranoside + vinyl acetate | ? + vinyl alcohol |
 | Clostridium thermocellum, Cellvibrio japonicus | - | - | 715029 | - | - | ? |
| methyl 6-O-acetyl-beta-D-glucopyranoside + H2O | ? |
 | Clostridium thermocellum, Cellvibrio japonicus | - | - | 715029 | - | - | ? |
| methyl acetate + H2O | methanol + acetate |
 | Nocardia sp. | - | - | 35233 | - | - | ? |
| methyl alpha-D-glucopyranoside + vinyl acetate | ? + vinyl alcohol |
 | Clostridium thermocellum, Cellvibrio japonicus | - | - | 715029 | - | - | ? |
| methyl beta-D-glucopyranoside + vinyl acetate | ? + vinyl alcohol |
 | Clostridium thermocellum, Cellvibrio japonicus | - | - | 715029 | - | - | ? |
| methyl-beta-D-xylopyranoside + vinylacetate | methyl-beta-D-xylopyranoside monoacetate + vinyl alcohol |
 | Hypocrea jecorina | A7J2C6 | transacetylation of methylxyloside in aqueous solution (40°C, pH 6, 25 mM methyl-beta-D-xylopyranoside) | 695758 | analysis by thin-layer chromatography | - | ? |
| methyl-D-glucopyranoside + vinyl acetate | methyl 3-O-acetyl-D-glucopyranoside + ethylene |
 | Hypocrea jecorina | - | yield is 56.4% | 666091 | - | - | ? |
| naphthyl acetate + H2O | naphthol + acetate |
 | Drosophila mojavensis | - | - | 35228 | - | - | ? |
| naphthyl butyrate + H2O | naphthol + butyrate |
 | Drosophila mojavensis | - | - | 35228 | - | - | ? |
| naphthyl propionate + H2O | naphthol + propionate |
 | Drosophila mojavensis | - | - | 35228 | - | - | ? |
| O-acetyl-1,4-beta-xylooligosaccharide + H2O | 1,4-beta-xylooligosaccharide + acetic acid |
 | Streptomyces olivochromogenes | - | - | 35193 | - | - | ir |
| O-acetyl-1,4-beta-xylooligosaccharide + H2O | 1,4-beta-xylooligosaccharide + acetic acid |
 | Schizophyllum commune | - | - | 23607 | - | 23607 | ir |
| O-acetyl-4-O-methyl-D-glucurono-D-xylan + H2O | 4-O-methyl-D-glucurono-D-xylan + acetic acid |
 | Aspergillus oryzae | - | - | 35241 | - | - | ? |
| O-acetyl-4-O-methyl-D-glucurono-D-xylan + H2O | 4-O-methyl-D-glucurono-D-xylan + acetic acid |
 | Schizophyllum commune | - | - | 23607 | - | 23607 | ir |
| O-acetyl-galactoglucomannan + H2O | ? |
 | Aspergillus oryzae | - | - | 35241 | - | - | ? |
| p-nitrophenyl acetate + H2O | p-nitrophenol + acetate |
 | Bos taurus | - | - | 35224 | - | - | ? |
| p-nitrophenyl acetate + H2O | p-nitrophenol + acetate |
 | Aspergillus niger | - | - | 35244 | - | - | - |
| p-nitrophenyl acetate + H2O | p-nitrophenol + acetate |
 | Aspergillus niger | - | - | 23596 | - | - | ? |
| p-nitrophenyl acetate + H2O | p-nitrophenol + acetate |
 | Bacillus pumilus | - | - | 23597 | - | - | ? |
| p-nitrophenyl acetate + H2O | p-nitrophenol + acetate |
 | Nocardia sp. | - | - | 35233 | - | - | ? |
| p-nitrophenyl acetate + H2O | p-nitrophenol + acetate |
 | Acinetobacter sp. | - | - | 666086 | - | - | ? |
| p-nitrophenyl acetate + H2O | p-nitrophenol + acetate |
 | Streptomyces lividans | - | - | 35239 | - | - | ? |
| p-nitrophenyl acetate + H2O | p-nitrophenol + acetate |
 | Orpinomyces sp. | - | - | 35242 | - | - | ? |
| p-nitrophenyl acetate + H2O | p-nitrophenol + acetate |
 | Candida bororiensis | - | - | 35232 | - | - | ? |
| p-nitrophenyl acetate + H2O | p-nitrophenol + acetate |
 | Streptomyces sp. | - | 10 min, 50°C, pH 6.5 | 701417 | - | - | ? |
| p-nitrophenyl acetate + H2O | p-nitrophenol + acetate |
 | Kluyveromyces marxianus | - | EST1, pH 7.4, 20°C, 0.5% (w/v) Triton X-100, 0.125% (w/v) Arabic gum | 699069 | spectrophotometry, 400 nm | - | ? |
| p-nitrophenyl acetate + H2O | p-nitrophenol + acetate |
 | Orpinomyces sp. KF7 | - | - | 35242 | - | - | ? |
| p-nitrophenyl butyrate + H2O | p-nitrophenol + butyrate |
 | Acinetobacter sp. | - | - | 666086 | - | - | ? |
| p-nitrophenyl decanoate + H2O | p-nitrophenol + decanoate |
 | Acinetobacter sp. | - | - | 666086 | - | - | ? |
| p-nitrophenyl hexanoate + H2O | p-nitrophenol + hexanoate |
 | Acinetobacter sp. | - | - | 666086 | - | - | ? |
| p-nitrophenyl laurate + H2O | p-nitrophenol + laurate |
 | Acinetobacter sp. | - | - | 666086 | - | - | ? |
| p-nitrophenyl propionate + H2O | p-nitrophenol + propionate |
 | Acinetobacter sp. | - | - | 666086 | - | - | ? |
| penta-O-acetyl-alpha-D-glucose + H2O | ? |
 | Citrus sinensis | - | complete and regioselective removal of primary acetyl-group in 6-position | 663817 | - | - | ? |
| phenyl acetate + H2O | phenol + acetate |
 | Rhodococcus sp. | - | - | 652394 | - | 652394 | ? |
| phenyl acetate + H2O | phenol + acetate |
 | Homo sapiens | - | sucrose density gradient cell fractions from Hep-G2 and RINm5F cells, pH 8, 3 min, 1 mM CaCl2 or 5 mM EDTA | 696095 | spectrophotometry, absorbance at 270 nm | - | ? |
| triacetin + H2O | ? |
 | Kluyveromyces marxianus | - | EST1, pH 8, 20°C, 0.5% (w/v) Triton X-100, 0.125% (w/v) Arabic gum | 699069 | titration assay | - | ? |
| triacetine + H2O | ? |
 | Cichorium intybus | - | - | 665872 | - | - | ? |
| tributyrin + H2O | ? |
 | Escherichia coli | P23872 | - | 715950 | - | - | ? |
| tributyrin + H2O | ? |
 | Kluyveromyces marxianus | - | EST1, pH 8, 20°C, 0.5% (w/v) Triton X-100, 0.125% (w/v) Arabic gum | 699069 | titration assay | - | ? |
| tripropionin + H2O | ? |
 | Lactobacillus plantarum | - | - | 35236 | - | - | ? |
| xylobiose + vinyl acetate | ? + vinyl alcohol |
 | Clostridium thermocellum, Cellvibrio japonicus | - | - | 715029 | - | - | ? |
| xylose tetraacetate + H2O | ? |
 | Bacillus pumilus | - | - | 23597 | - | - | ? |
| xylose tetraacetate + H2O | ? |
 | Orpinomyces sp., Orpinomyces sp. KF7 | - | - | 35242 | - | - | ? |
| [(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]methyl acetate + H2O | [(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]methanol + acetate |
 | Kluyveromyces marxianus | - | fresh bacterial cells or purified enzyme (EST1 or EST2, 0.01 micromol p-nitrophenol/min), 20°C, pH 8, 5% (v/v) glycerol, 1 mM EDTA, 1 mM dithiothreitol | 699069 | high enantioselectivity (enantiomeric ratio E: 20 for EST1, E: 15 for whole cells), thin-layer chromatography, enantiomeric composition of reactants controlled by gas chromatography, acetate detection spectrophotometrically through NADH absorbance at 340 nm | - | ? |
| monoacetin + H2O | glycerol + acetate |
 | Lactobacillus plantarum | - | - | 35236 | - | - | ? |
| additional information | ? | - | Aspergillus niger | - | substrate specificity and regioselectivity, deacetylation activity of the enzyme is not restricted to polymers with beta-1,4 glycosidic bonds, no activity with cellulose sulfate, the enzyme enhances endoglucanase, but is itself not influenced by endoglucanase | 650815 | - | 650815 | ? |
| additional information | ? | - | Alphacoronavirus | - | enzyme has receptor-destroying enzyme function | 652759 | - | 652759 | ? |
| additional information | ? | - | Citrus sinensis | - | removal of acetyl group in 3-position of beta-lactams with 98% conversion and 91-93% product yield | 663817 | - | - | - |
| additional information | ? | - | Vitis vinifera | - | acetylesterases generally prefer aliphatic substrates involving acetic acid | 678012 | - | - | - |
| additional information | ? | - | Eleusine coracana | - | the enzyme deacetylates cereal products like water soluble polysaccharides such as ragi, wheat, larch wood xylan, and gum karaya, the enzyme cleaves the acetyl groups substituted at O-2/O-3 of the xylan backbone of arabinoxylans and is known to modulate their functional properties | 680319 | - | - | - |
| additional information | ? | - | Aspergillus oryzae | - | the enzyme, feruloyl esterase AoFae, behaves as a non-specific acetyl esterase rather than a feruloyl esterase, with a preference for 2-O-acetyl-beta-D-xylopyranoside, AoFae shows only a very weak activity on feruloyl esters | 680967 | - | - | - |
| additional information | ? | - | Hypocrea jecorina | A7J2C6 | new family of microbial esterases with hemicellulase activity for biodegradation of lignocellulose, complementary activity to acetylxylan esterase Axe1 | 695758 | - | - | - |
| additional information | ? | - | Bacillus subtilis | - | 1-(4-fluorophenyl)-1-(trifluoromethyl)prop-2-yn-1-yl acetate, 1-(4-chlorophenyl)-1-(trifluoromethyl)prop-2-yn-1-yl acetate, 1-(4-methylphenyl)-1-(trifluoromethyl)prop-2-yn-1-yl acetate, 1-(3-fluorophenyl)-1-(trifluoromethyl)prop-2-yn-1-yl acetate, 1-(3,4-difluorophenyl)-1-(trifluoromethyl)prop-2-yn-1-yl acetate are substrates of double mutant E188W/M193C, conversion with inversed enantioselectivity, 1-phenyl-1-(trifluoromethyl)but-2-yn-1-yl acetate and 1-phenyl-1-(trifluoromethyl)prop-2-en-1-yl acetate are no substrates of neither wild-type nor any mutant | 695582 | - | - | - |
| additional information | ? | - | Escherichia coli | - | activated Sepharose CL6B-bound activity, pH 8 | 701087 | - | - | - |
| additional information | ? | - | Kluyveromyces marxianus | - | activity of EST1 only on short chain triglyceride substrates, EST2 shows lower activity and enantioselectivity towards (R,S)-1,2-O-isopropylidene glycol acetate as substrate than EST1 | 699069 | - | - | - |
| additional information | ? | - | Wickerhamomyces anomalus | - | isoamyl acetate and ethyl acetate-synthesizing esterase activities in mutant strain 100fold less than respective acetate ester-hydrolysing esterase activities | 698520 | - | - | - |
| additional information | ? | - | Kluyveromyces marxianus | - | no activity of EST1 on p-nitrophenyl butyrate, p-nitrophenyl caproate, p-nitrophenyl caprylate, p-nitrophenyl laurate and p-nitrophenyl palmitate, no activity of EST1 on triacylglyceride esters tricaprylin and triolein | 699069 | - | - | - |
| additional information | ? | - | Streptomyces sp. | - | no activity on p-nitrophenyl-beta-D-xylopyranoside and p-nitrophenyl-alpha-L-arabinofuranoside and no xylanolytic activity | 701417 | - | - | - |
| additional information | ? | - | Bacillus subtilis | - | size of residue at position 188 (from Asp to Trp) determines enantioselectivity and -preference | 695582 | - | - | - |
| additional information | ? | - | Clostridium thermocellum, Cellvibrio japonicus | - | no transacetylation occurs with vinyl acetate and D-xylose, xylobiose, methyl 6-O-methyl-alpha-D-glucopyranoside, 6-O-methyl D-glucopyranose, and methyl beta-D-xylopyranoside | 715029 | - | - | - |
| additional information | ? | - | Clostridium thermocellum, Cellvibrio japonicus | - | the enzyme shows a strong preference for deacetylation of the 6-position in aldohexoses. Xylose and xylooligosaccharides do not serve as acetyl group acceptors | 715029 | - | - | - |
| additional information | ? | - | Wickerhamomyces anomalus K, Wickerhamomyces anomalus NCYC 434, Wickerhamomyces anomalus SL-125 | - | isoamyl acetate and ethyl acetate-synthesizing esterase activities in mutant strain 100fold less than respective acetate ester-hydrolysing esterase activities | 698520 | - | - | - |
| additional information | ? | - | Alphacoronavirus SARS-CoV | - | enzyme has receptor-destroying enzyme function | 652759 | - | 652759 | ? |
| additional information | ? | - | Wickerhamomyces anomalus AL112 | - | isoamyl acetate and ethyl acetate-synthesizing esterase activities in mutant strain 100fold less than respective acetate ester-hydrolysing esterase activities | 698520 | - | - | - |