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1 Oxidoreductases
(9631 organisms)
2 Transferases
(7171 organisms)
3 Hydrolases
(11482 organisms)
3.1 Acting on ester bonds
(4089 organisms)
3.2 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)
3.6.1 In phosphorus-containing anhydrides
(469 organisms)
3.6.1.1 inorganic diphosphatase
(130 organisms)
3.6.1.2 trimetaphosphatase
(9 organisms)
3.6.1.3 adenosinetriphosphatase
(15 organisms)
3.6.1.4 created 1961, deleted 1965
3.6.1.5 apyrase
(71 organisms)
3.6.1.6 nucleoside diphosphate phosphatase
(30 organisms)
3.6.1.7 acylphosphatase
(30 organisms)
3.6.1.8 ATP diphosphatase
(10 organisms)
3.6.1.9 nucleotide diphosphatase
(36 organisms)
3.6.1.10 endopolyphosphatase
(18 organisms)
3.6.1.11 exopolyphosphatase
(51 organisms)
3.6.1.12 dCTP diphosphatase
(5 organisms)
3.6.1.13 ADP-ribose diphosphatase
(26 organisms)
3.6.1.14 adenosine-tetraphosphatase
(4 organisms)
3.6.1.15 nucleoside-triphosphate phosphatase
(66 organisms)
3.6.1.16 CDP-glycerol diphosphatase
(2 organisms)
3.6.1.17 bis(5′-nucleosyl)-tetraphosphatase (asymmetrical)
(23 organisms)
3.6.1.18 FAD diphosphatase
(10 organisms)
3.6.1.19 nucleoside-triphosphate diphosphatase
3.6.1.20 5′-acylphosphoadenosine hydrolase
(1 organism)
3.6.1.21 ADP-sugar diphosphatase
(7 organisms)
3.6.1.22 NAD
+
diphosphatase
(20 organisms)
3.6.1.23 dUTP diphosphatase
(78 organisms)
3.6.1.24 nucleoside phosphoacylhydrolase
(1 organism)
3.6.1.25 triphosphatase
(5 organisms)
3.6.1.26 CDP-diacylglycerol diphosphatase
(2 organisms)
3.6.1.27 undecaprenyl-diphosphate phosphatase
(13 organisms)
3.6.1.28 thiamine-triphosphatase
(11 organisms)
3.6.1.29 bis(5′-adenosyl)-triphosphatase
(10 organisms)
3.6.1.30 m
7
G(5′)pppN diphosphatase
3.6.1.31 phosphoribosyl-ATP diphosphatase
(5 organisms)
3.6.1.32 created 1984, deleted 2000
3.6.1.33 created 1984, deleted 2000
3.6.1.34 created 1984, deleted 2000
3.6.1.35 created 1984, deleted 2000
3.6.1.36 created 1984, deleted 2000
3.6.1.37 created 1984, deleted 2000
3.6.1.38 created 1984, deleted 2000
3.6.1.39 thymidine-triphosphatase
(4 organisms)
3.6.1.40 guanosine-5′-triphosphate,3′-diphosphate phosphatase
(8 organisms)
3.6.1.41 bis(5′-nucleosyl)-tetraphosphatase (symmetrical)
(12 organisms)
3.6.1.42 guanosine-diphosphatase
(12 organisms)
3.6.1.43 dolichyldiphosphatase
(7 organisms)
3.6.1.44 oligosaccharide-diphosphodolichol diphosphatase
(2 organisms)
3.6.1.45 UDP-sugar diphosphatase
(15 organisms)
3.6.1.46 created 2000, deleted 2003
3.6.1.47 created 2000, deleted 2003
3.6.1.48 created 2000, deleted 200
3.6.1.49 created 2000, deleted 2003
3.6.1.50 created 2000, deleted 2003
3.6.1.51 created 2000, deleted 2003
3.6.1.52 diphosphoinositol-polyphosphate diphosphatase
(8 organisms)
3.6.1.53 Mn
2+
-dependent ADP-ribose/CDP-alcohol diphosphatase
(4 organisms)
3.6.1.54 UDP-2,3-diacylglucosamine diphosphatase
(10 organisms)
3.6.1.55 8-oxo-dGTP diphosphatase
(9 organisms)
3.6.1.56 2-hydroxy-dATP diphosphatase
(5 organisms)
3.6.1.57 UDP-2,4-diacetamido-2,4,6-trideoxy-β-
L
-altropyranose hydrolase
(3 organisms)
3.6.1.58 8-oxo-dGDP phosphatase
(2 organisms)
3.6.1.59 5′-(
N
7
-methyl 5′-triphosphoguanosine)-[mRNA] diphosphatase
(5 organisms)
3.6.1.60 diadenosine hexaphosphate hydrolase (AMP-forming)
(4 organisms)
3.6.1.61 diadenosine hexaphosphate hydrolase (ATP-forming)
(2 organisms)
3.6.1.62 5′-(
N
7
-methylguanosine 5′-triphospho)-[mRNA] hydrolase
(8 organisms)
3.6.1.63 α-
D
-ribose 1-methylphosphonate 5-triphosphate diphosphatase
(1 organism)
3.6.1.64 inosine diphosphate phosphatase
(2 organisms)
3.6.1.65 (d)CTP diphosphatase
(3 organisms)
3.6.1.66 XTP/dITP diphosphatase
(10 organisms)
3.6.1.67 dihydroneopterin triphosphate diphosphatase
(4 organisms)
3.6.1.68 geranyl diphosphate phosphohydrolase
(2 organisms)
3.6.1.69 8-oxo-(d)GTP phosphatase
(4 organisms)
3.6.1.70 guanosine-5′-diphospho-5′-[DNA] diphosphatase
(5 organisms)
3.6.1.71 adenosine-5′-diphospho-5′-[DNA] diphosphatase
(10 organisms)
3.6.1.72 DNA-3′-diphospho-5′-guanosine diphosphatase
(4 organisms)
3.6.1.73 inosine/xanthosine triphosphatase
(2 organisms)
3.6.2 In sulfonyl-containing anhydrides
(5 organisms)
3.6.3 Acting on acid anhydrides to catalyse transmembrane movement of substances
(4 organisms)
3.6.4 Acting on acid anhydrides to facilitate cellular and subcellular movement
(177 organisms)
3.6.5 Acting on GTP to facilitate cellular and subcellular movement
(175 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)
5.1 Racemases and epimerases
(651 organisms)
5.2
cis-trans-
Isomerases
(164 organisms)
5.3 Intramolecular oxidoreductases
(750 organisms)
5.4 Intramolecular transferases
(620 organisms)
5.5 Intramolecular lyases
(328 organisms)
5.6 Isomerases altering macromolecular conformation
(295 organisms)
5.99 Other isomerases
(25 organisms)
6 Ligases
(1565 organisms)
7 Translocases
(1096 organisms)