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1 Oxidoreductases
(9631 organisms)
2 Transferases
(7171 organisms)
3 Hydrolases
(11482 organisms)
3.1 Acting on ester bonds
(4089 organisms)
3.1.1 Carboxylic-ester hydrolases
(2216 organisms)
3.1.1.1 carboxylesterase
(179 organisms)
3.1.1.2 arylesterase
(49 organisms)
3.1.1.3 triacylglycerol lipase
(265 organisms)
3.1.1.4 phospholipase A
2
(129 organisms)
3.1.1.5 lysophospholipase
(43 organisms)
3.1.1.6 acetylesterase
(70 organisms)
3.1.1.7 acetylcholinesterase
(113 organisms)
3.1.1.8 cholinesterase
(88 organisms)
3.1.1.9 created 1961, deleted 1972
3.1.1.10 tropinesterase
(11 organisms)
3.1.1.11 pectinesterase
(178 organisms)
3.1.1.12 created 1961, deleted 1972
3.1.1.13 sterol esterase
(31 organisms)
3.1.1.14 chlorophyllase
(218 organisms)
3.1.1.15
L
-arabinonolactonase
(4 organisms)
3.1.1.16 created 1961, deleted 1972
3.1.1.17 gluconolactonase
(27 organisms)
3.1.1.18 created 1961, deleted 1982
3.1.1.19 uronolactonase
(7 organisms)
3.1.1.20 tannase
(147 organisms)
3.1.1.21 retinyl-palmitate esterase
3.1.1.22 hydroxybutyrate-dimer hydrolase
(13 organisms)
3.1.1.23 acylglycerol lipase
(25 organisms)
3.1.1.24 3-oxoadipate enol-lactonase
(12 organisms)
3.1.1.25 1,4-lactonase
(20 organisms)
3.1.1.26 galactolipase
(71 organisms)
3.1.1.27 4-pyridoxolactonase
(3 organisms)
3.1.1.28 acylcarnitine hydrolase
(7 organisms)
3.1.1.29 aminoacyl-tRNA hydrolase
(39 organisms)
3.1.1.30
D
-arabinonolactonase
(1 organism)
3.1.1.31 6-phosphogluconolactonase
(22 organisms)
3.1.1.32 phospholipase A
1
(60 organisms)
3.1.1.33 6-acetylglucose deacetylase
(1 organism)
3.1.1.34 lipoprotein lipase
(25 organisms)
3.1.1.35 dihydrocoumarin hydrolase
(14 organisms)
3.1.1.36 limonin-
D
-ring-lactonase
(5 organisms)
3.1.1.37 steroid-lactonase
(1 organism)
3.1.1.38 triacetate-lactonase
(1 organism)
3.1.1.39 actinomycin lactonase
(13 organisms)
3.1.1.40 orsellinate-depside hydrolase
(2 organisms)
3.1.1.41 cephalosporin-C deacetylase
(28 organisms)
3.1.1.42 chlorogenate hydrolase
(19 organisms)
3.1.1.43 α-amino-acid esterase
(34 organisms)
3.1.1.44 4-methyloxaloacetate esterase
(1 organism)
3.1.1.45 carboxymethylenebutenolidase
(28 organisms)
3.1.1.46 deoxylimonate A-ring-lactonase
(2 organisms)
3.1.1.47 1-alkyl-2-acetylglycerophosphocholine esterase
(17 organisms)
3.1.1.48 fusarinine-C ornithinesterase
(4 organisms)
3.1.1.49 sinapine esterase
(9 organisms)
3.1.1.50 wax-ester hydrolase
(12 organisms)
3.1.1.51 phorbol-diester hydrolase
(5 organisms)
3.1.1.52 phosphatidylinositol deacylase
(3 organisms)
3.1.1.53 sialate
O
-acetylesterase
(45 organisms)
3.1.1.54 acetoxybutynylbithiophene deacetylase
(1 organism)
3.1.1.55 acetylsalicylate deacetylase
(8 organisms)
3.1.1.56 methylumbelliferyl-acetate deacetylase
(7 organisms)
3.1.1.57 2-pyrone-4,6-dicarboxylate lactonase
(7 organisms)
3.1.1.58
N
-acetylgalactosaminoglycan deacetylase
(18 organisms)
3.1.1.59 juvenile-hormone esterase
(37 organisms)
3.1.1.60 bis(2-ethylhexyl)phthalate esterase
(9 organisms)
3.1.1.61 protein-glutamate methylesterase
(7 organisms)
3.1.1.62 created 1989, deleted 1992
3.1.1.63 11-
cis
-retinyl-palmitate hydrolase
(3 organisms)
3.1.1.64 retinoid isomerohydrolase
(9 organisms)
3.1.1.65
L
-rhamnono-1,4-lactonase
(9 organisms)
3.1.1.66 5-(3,4-diacetoxybut-1-ynyl)-2,2′-bithiophene deacetylase
(1 organism)
3.1.1.67 fatty-acyl-ethyl-ester synthase
(5 organisms)
3.1.1.68 xylono-1,4-lactonase
(12 organisms)
3.1.1.69 created 1992, deleted 2002
3.1.1.70 cetraxate benzylesterase
(1 organism)
3.1.1.71 acetylalkylglycerol acetylhydrolase
(2 organisms)
3.1.1.72 acetylxylan esterase
(89 organisms)
3.1.1.73 feruloyl esterase
(155 organisms)
3.1.1.74 cutinase
(85 organisms)
3.1.1.75 poly(3-hydroxybutyrate) depolymerase
(83 organisms)
3.1.1.76 poly(3-hydroxyoctanoate) depolymerase
(59 organisms)
3.1.1.77 acyloxyacyl hydrolase
(4 organisms)
3.1.1.78 polyneuridine-aldehyde esterase
(2 organisms)
3.1.1.79 hormone-sensitive lipase
(28 organisms)
3.1.1.80 acetylajmaline esterase
(2 organisms)
3.1.1.81 quorum-quenching
N
-acyl-homoserine lactonase
(110 organisms)
3.1.1.82 pheophorbidase
(25 organisms)
3.1.1.83 monoterpene ε-lactone hydrolase
(2 organisms)
3.1.1.84 cocaine esterase
(6 organisms)
3.1.1.85 pimelyl-[acyl-carrier protein] methyl ester esterase
(14 organisms)
3.1.1.86 rhamnogalacturonan acetylesterase
(3 organisms)
3.1.1.87 fumonisin B1 esterase
(4 organisms)
3.1.1.88 pyrethroid hydrolase
(13 organisms)
3.1.1.89 protein phosphatase methylesterase-1
(6 organisms)
3.1.1.90
all
-
trans
-retinyl ester 13-
cis
isomerohydrolase
(2 organisms)
3.1.1.91 2-oxo-3-(5-oxofuran-2-ylidene)propanoate lactonase
(1 organism)
3.1.1.92 4-sulfomuconolactone hydrolase
(4 organisms)
3.1.1.93 mycophenolic acid acyl-glucuronide esterase
(1 organism)
3.1.1.94 versiconal hemiacetal acetate esterase
(3 organisms)
3.1.1.95 aclacinomycin methylesterase
(1 organism)
3.1.1.96
D
-aminoacyl-tRNA deacylase
(18 organisms)
3.1.1.97 methylated diphthine methylhydrolase
(3 organisms)
3.1.1.98 [Wnt protein]
O
-palmitoleoyl-
L
-serine hydrolase
(5 organisms)
3.1.1.99 6-deoxy-6-sulfogluconolactonase
(2 organisms)
3.1.1.100 chlorophyllide
a
hydrolase
(2 organisms)
3.1.1.101 poly(ethylene terephthalate) hydrolase
(28 organisms)
3.1.1.102 mono(ethylene terephthalate) hydrolase
(3 organisms)
3.1.1.103 teichoic acid
D
-alanine hydrolase
(5 organisms)
3.1.1.104 5-phospho-
D
-xylono-1,4-lactonase
(4 organisms)
3.1.1.105 3-
O
-acetylpapaveroxine carboxylesterase
(1 organism)
3.1.1.106
O
-acetyl-ADP-ribose deacetylase
(8 organisms)
3.1.1.107 apo-salmochelin esterase
(2 organisms)
3.1.1.108 iron(III)-enterobactin esterase
(9 organisms)
3.1.1.109 iron(III)-salmochelin esterase
(2 organisms)
3.1.1.110 xylono-1,5-lactonase
(2 organisms)
3.1.1.111 phosphatidylserine
sn
-1 acylhydrolase
(2 organisms)
3.1.1.112 isoamyl acetate esterase
(1 organism)
3.1.1.113 ethyl acetate hydrolase
(3 organisms)
3.1.1.114 methyl acetate hydrolase
(1 organism)
3.1.2 Thioester hydrolases
(790 organisms)
3.1.3 Phosphoric-monoester hydrolases
(1322 organisms)
3.1.4 Phosphoric-diester hydrolases
(468 organisms)
3.1.5 Triphosphoric-monoester hydrolases
(12 organisms)
3.1.6 Sulfuric-ester hydrolases
(180 organisms)
3.1.7 Diphosphoric-monoester hydrolases
(44 organisms)
3.1.8 Phosphoric-triester hydrolases
(92 organisms)
3.1.8.1 aryldialkylphosphatase
(73 organisms)
3.1.8.2 diisopropyl-fluorophosphatase
(27 organisms)
3.1.11 Exodeoxyribonucleases producing 5′-phosphomonoesters
(56 organisms)
3.1.12 Exodeoxyribonucleases producing 3′-phosphomonoesters
(18 organisms)
3.1.13 Exoribonucleases producing 5′-phosphomonoesters
(107 organisms)
3.1.14 Exoribonucleases producing 3'-phosphomonoesters
(9 organisms)
3.1.15 Exonucleases that are active with either ribo- or deoxyribonucleic acids and produce 5'-phosphomonoesters
(79 organisms)
3.1.16 Exonucleases that are active with either ribo- or deoxyribonucleic acids and produce 3'-phosphomonoesters
(11 organisms)
3.1.21 Endodeoxyribonucleases producing 5'-phosphomonoesters
(281 organisms)
3.1.22 Endodeoxyribonucleases producing 3'-phosphomonoesters
(83 organisms)
3.1.23 Site-specific endodeoxyribonucleases: cleavage is sequence specific (deleted sub-subclass)
3.1.24 Site specific endodeoxyribonucleases: cleavage is not sequence specific (deleted sub-subclass)
3.1.25 Site-specific endodeoxyribonucleases that are specific for altered bases
(9 organisms)
3.1.26 Endoribonucleases producing 5'-phosphomonoesters
(382 organisms)
3.1.27 Endoribonucleases producing 3'-phosphomonoesters
(5 organisms)
3.1.30 Endoribonucleases that are active with either ribo- or deoxyribonucleic acids and produce 5'-phosphomonoesters
(43 organisms)
3.1.31 Endoribonucleases that are active with either ribo- or deoxyribonucleic acids and produce 3'-phosphomonoesters
(22 organisms)
3.2 Glycosylases
(4717 organisms)
3.3 Acting on ether bonds
(180 organisms)
3.4 Acting on peptide bonds (peptidases)
(2490 organisms)
3.5 Acting on carbon-nitrogen bonds, other than peptide bonds
(2551 organisms)
3.6 Acting on acid anhydrides
(674 organisms)
3.7 Acting on carbon-carbon bonds
(173 organisms)
3.8 Acting on halide bonds
(175 organisms)
3.9 Acting on phosphorus-nitrogen bonds
(15 organisms)
3.10 Acting on sulfur-nitrogen bonds
(8 organisms)
3.11 Acting on carbon-phosphorus bonds
(49 organisms)
3.12 Acting on sulfur-sulfur bonds
(19 organisms)
3.13 Acting on carbon-sulfur bonds
(52 organisms)
4 Lyases
(5139 organisms)
5 Isomerases
(2099 organisms)
6 Ligases
(1565 organisms)
7 Translocases
(1096 organisms)