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3.1.1.1 carboxylesterase

3.1.1.2 arylesterase

3.1.1.3 triacylglycerol lipase

3.1.1.4 phospholipase A2

3.1.1.5 lysophospholipase

3.1.1.6 acetylesterase

3.1.1.7 acetylcholinesterase

3.1.1.8 cholinesterase

3.1.1.9 benzoylcholinesterase

3.1.1.10 tropinesterase

3.1.1.11 pectinesterase

3.1.1.12 vitamin A esterase

3.1.1.13 sterol esterase

3.1.1.14 chlorophyllase

3.1.1.15 L-arabinonolactonase

3.1.1.16 4-carboxymethyl-4-hydroxyisocrotonolactonase

3.1.1.17 gluconolactonase

3.1.1.18 aldonolactonase

3.1.1.19 uronolactonase

3.1.1.20 tannase

3.1.1.21 retinyl-palmitate esterase

3.1.1.22 hydroxybutyrate-dimer hydrolase

3.1.1.23 acylglycerol lipase

3.1.1.24 3-oxoadipate enol-lactonase

3.1.1.25 1,4-lactonase

3.1.1.26 galactolipase

3.1.1.27 4-pyridoxolactonase

3.1.1.28 acylcarnitine hydrolase

3.1.1.29 peptidyl-tRNA hydrolase

3.1.1.30 D-arabinonolactonase

3.1.1.31 6-phosphogluconolactonase

3.1.1.32 phospholipase A1

3.1.1.33 6-acetylglucose deacetylase

3.1.1.34 lipoprotein lipase

3.1.1.35 dihydrocoumarin hydrolase

3.1.1.36 limonin-D-ring-lactonase

3.1.1.37 steroid-lactonase

3.1.1.38 triacetate-lactonase

3.1.1.39 actinomycin lactonase

3.1.1.40 orsellinate-depside hydrolase

3.1.1.41 cephalosporin-C deacetylase

3.1.1.42 chlorogenate hydrolase

3.1.1.43 alpha-amino-acid esterase

3.1.1.44 4-methyloxaloacetate esterase

3.1.1.45 carboxymethylenebutenolidase

3.1.1.46 Deoxylimonate A-ring-lactonase

3.1.1.47 1-alkyl-2-acetylglycerophosphocholine esterase

3.1.1.48 fusarinine-C ornithinesterase

3.1.1.49 sinapine esterase

3.1.1.50 wax-ester hydrolase

3.1.1.51 phorbol-diester hydrolase

3.1.1.52 phosphatidylinositol deacylase

3.1.1.53 sialate O-acetylesterase

3.1.1.54 acetoxybutynylbithiophene deacetylase

3.1.1.55 acetylsalicylate deacetylase

3.1.1.56 methylumbelliferyl-acetate deacetylase

3.1.1.57 2-pyrone-4,6-dicarboxylate lactonase

3.1.1.58 N-acetylgalactosaminoglycan deacetylase

3.1.1.59 juvenile-hormone esterase

3.1.1.60 bis(2-ethylhexyl)phthalate esterase

3.1.1.61 protein-glutamate methylesterase

3.1.1.62 N-acetyldiaminopimelate deacylase

3.1.1.63 11-cis-retinyl-palmitate hydrolase

3.1.1.64 retinoid isomerohydrolase

3.1.1.65 L-rhamnono-1,4-lactonase

3.1.1.66 5-(3,4-diacetoxybut-1-ynyl)-2,2'-bithiophene deacetylase

3.1.1.67 fatty-acyl-ethyl-ester synthase

3.1.1.68 xylono-1,4-lactonase

3.1.1.69 N-acetylglucosaminylphosphatidylinositol deacetylase

3.1.1.70 cetraxate benzylesterase

3.1.1.71 acetylalkylglycerol acetylhydrolase

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

3.1.1.77 acyloxyacyl hydrolase

3.1.1.78 polyneuridine-aldehyde esterase

3.1.1.79 hormone-sensitive lipase

3.1.1.80 acetylajmaline esterase

3.1.1.81 quorum-quenching N-acyl-homoserine lactonase

3.1.1.82 pheophorbidase

3.1.1.83 monoterpene epsilon-lactone hydrolase

3.1.1.84 cocaine esterase

3.1.1.85 pimelyl-[acyl-carrier protein] methyl ester esterase

3.1.1.86 rhamnogalacturonan acetylesterase

3.1.1.87 fumonisin B1 esterase

3.1.1.88 pyrethroid hydrolase

3.1.1.89 protein phosphatase methylesterase-1

3.1.1.90 all-trans-retinyl ester 13-cis isomerohydrolase

3.1.1.91 2-oxo-3-(5-oxofuran-2-ylidene)propanoate lactonase

3.1.1.92 4-sulfomuconolactone hydrolase

3.1.1.93 mycophenolic acid acyl-glucuronide esterase

3.1.1.94 versiconal hemiacetal acetate esterase

3.1.1.95 aclacinomycin methylesterase

3.1.1.96 D-aminoacyl-tRNA deacylase

3.1.1.97 methylated diphthine methylhydrolase

3.1.1.98 [Wnt protein] O-palmitoleoyl-L-serine hydrolase

3.1.1.99 6-deoxy-6-sulfogluconolactonase

3.1.1.100 chlorophyllide a hydrolase

3.1.1.101 poly(ethylene terephthalate) hydrolase

3.1.1.102 mono(ethylene terephthalate) hydrolase

3.1.1.103 teichoic acid D-alanine hydrolase

3.1.1.104 5-phospho-D-xylono-1,4-lactonase

3.1.1.105 3-O-acetylpapaveroxine carboxylesterase

3.1.1.106 O-acetyl-ADP-ribose deacetylase

3.1.1.107 apo-salmochelin esterase

3.1.1.108 iron(III)-enterobactin esterase

3.1.1.109 iron(III)-salmochelin esterase

3.1.1.110 xylono-1,5-lactonase

3.1.1.111 phosphatidylserine sn-1 acylhydrolase

3.1.1.112 isoamyl acetate esterase

3.1.1.113 ethyl acetate hydrolase

3.1.1.114 methyl acetate hydrolase

3.1.1.115 D-apionolactonase

3.1.1.116 sn-1-specific diacylglycerol lipase

3.1.1.117 (4-O-methyl)-D-glucuronate-lignin esterase

3.1.1.118 phospholipid sn-1 acylhydrolase

3.1.1.120 L-fucono-1,5-lactonase

3.1.1.121 ergosteryl-3beta-O-L-aspartate hydrolase

3.1.1.122 carbendazim hydrolysing esterase

3.1.1.123 dehydropreakuammicine esterase

3.1.1.124 ellagitannin acyl hydrolase

3.1.1.125 6-deoxy-6-sulfo-D-galactonolactonase

3.1.1.B10 p-coumaroyl esterase

3.1.1.B11 glucuronoyl esterase

3.1.1.B12 zearalenone hydrolase

3.1.1.B13 ergosteryl-3beta-O-L-aspartate hydrolase

3.1.1.B14 mono- and diacylglycerol lipase

3.1.1.B15 ellagitannin acyl hydrolase