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1 Oxidoreductases
(9634 organisms)
2 Transferases
(6601 organisms)
2.1 Transferring one-carbon groups
(1295 organisms)
2.2 Transferring aldehyde or ketonic groups
(183 organisms)
2.3 Acyltransferases
(1670 organisms)
2.4 Glycosyltransferases
(1877 organisms)
2.5 Transferring alkyl or aryl groups, other than methyl groups
(1082 organisms)
2.5.1 Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)
(1082 organisms)
2.5.1.1 dimethylallyl
trans
transferase
(19 organisms)
2.5.1.2 thiamine pyridinylase
(84 organisms)
2.5.1.3 thiamine phosphate synthase
(20 organisms)
2.5.1.4 adenosylmethionine cyclotransferase
(5 organisms)
2.5.1.5 galactose-6-sulfurylase
(4 organisms)
2.5.1.6 methionine adenosyltransferase
(64 organisms)
2.5.1.7 UDP-
N
-acetylglucosamine 1-carboxyvinyltransferase
(32 organisms)
2.5.1.8 tRNA isopentenyltransferase
2.5.1.9 riboflavin synthase
(35 organisms)
2.5.1.10 (2
E
,6
E
)-farnesyl diphosphate synthase
(41 organisms)
2.5.1.11
trans
-octaprenyl
trans
transferase
2.5.1.12 created 1972, deleted 1976
2.5.1.13 created 1972, deleted 1976
2.5.1.14 created 1972, deleted 1976
2.5.1.15 dihydropteroate synthase
(28 organisms)
2.5.1.16 spermidine synthase
(42 organisms)
2.5.1.17 corrinoid adenosyltransferase
(21 organisms)
2.5.1.18 glutathione transferase
(150 organisms)
2.5.1.19 3-phosphoshikimate 1-carboxyvinyltransferase
(123 organisms)
2.5.1.20 rubber
cis
-polyprenyl
cis
transferase
(18 organisms)
2.5.1.21 squalene synthase
(44 organisms)
2.5.1.22 spermine synthase
(19 organisms)
2.5.1.23
sym
-norspermidine synthase
(5 organisms)
2.5.1.24 discadenine synthase
(6 organisms)
2.5.1.25 tRNA-uridine aminocarboxypropyltransferase
(2 organisms)
2.5.1.26 alkylglycerone-phosphate synthase
(13 organisms)
2.5.1.27 adenylate dimethylallyltransferase
(15 organisms)
2.5.1.28 dimethylallyl
cis
transferase
(5 organisms)
2.5.1.29 geranylgeranyl diphosphate synthase
(79 organisms)
2.5.1.30 heptaprenyl diphosphate synthase
(3 organisms)
2.5.1.31
ditrans
,
polycis
-undecaprenyl-diphosphate synthase [(2
E
,6
E
)-farnesyl-diphosphate specific]
(24 organisms)
2.5.1.32 15-
cis
-phytoene synthase
(52 organisms)
2.5.1.33
trans
-pentaprenyl
trans
transferase
2.5.1.34 4-dimethylallyltryptophan synthase
(5 organisms)
2.5.1.35 aspulvinone dimethylallyltransferase
(2 organisms)
2.5.1.36 trihydroxypterocarpan dimethylallyltransferase
(1 organism)
2.5.1.37 created 1989, deleted 2004
2.5.1.38 isonocardicin synthase
(1 organism)
2.5.1.39 4-hydroxybenzoate polyprenyltransferase
(15 organisms)
2.5.1.40 created 1992, deleted 1999
2.5.1.41 phosphoglycerol geranylgeranyltransferase
(5 organisms)
2.5.1.42 geranylgeranylglycerol-phosphate geranylgeranyltransferase
(3 organisms)
2.5.1.43 nicotianamine synthase
(20 organisms)
2.5.1.44 homospermidine synthase
(13 organisms)
2.5.1.45 homospermidine synthase (spermidine-specific)
(17 organisms)
2.5.1.46 deoxyhypusine synthase
(44 organisms)
2.5.1.47 cysteine synthase
(89 organisms)
2.5.1.48 cystathionine γ-synthase
(36 organisms)
2.5.1.49
O
-acetylhomoserine aminocarboxypropyltransferase
(24 organisms)
2.5.1.50 zeatin 9-aminocarboxyethyltransferase
(1 organism)
2.5.1.51 β-pyrazolylalanine synthase
(1 organism)
2.5.1.52
L
-mimosine synthase
(1 organism)
2.5.1.53 uracilylalanine synthase
(8 organisms)
2.5.1.54 3-deoxy-7-phosphoheptulonate synthase
(64 organisms)
2.5.1.55 3-deoxy-8-phosphooctulonate synthase
(49 organisms)
2.5.1.56
N
-acetylneuraminate synthase
(15 organisms)
2.5.1.57
N
-acylneuraminate-9-phosphate synthase
(8 organisms)
2.5.1.58 protein farnesyltransferase
(26 organisms)
2.5.1.59 protein geranylgeranyltransferase type I
(16 organisms)
2.5.1.60 protein geranylgeranyltransferase type II
(11 organisms)
2.5.1.61 hydroxymethylbilane synthase
(28 organisms)
2.5.1.62 chlorophyll synthase
(13 organisms)
2.5.1.63 adenosyl-fluoride synthase
(12 organisms)
2.5.1.64 2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylate synthase
2.5.1.65
O
-phosphoserine sulfhydrylase
(4 organisms)
2.5.1.66
N
2
-(2-carboxyethyl)arginine synthase
(1 organism)
2.5.1.67 chrysanthemyl diphosphate synthase
(2 organisms)
2.5.1.68 (2
Z
,6
E
)-farnesyl diphosphate synthase
(10 organisms)
2.5.1.69 lavandulyl diphosphate synthase
(3 organisms)
2.5.1.70 naringenin 8-dimethylallyltransferase
(1 organism)
2.5.1.71 leachianone-G 2′′-dimethylallyltransferase
(1 organism)
2.5.1.72 quinolinate synthase
(10 organisms)
2.5.1.73
O
-phospho-
L
-seryl-tRNA:Cys-tRNA synthase
(11 organisms)
2.5.1.74 1,4-dihydroxy-2-naphthoate polyprenyltransferase
(4 organisms)
2.5.1.75 tRNA dimethylallyltransferase
(16 organisms)
2.5.1.76 cysteate synthase
(1 organism)
2.5.1.77 7,8-didemethyl-8-hydroxy-5-deazariboflavin synthase
2.5.1.78 6,7-dimethyl-8-ribityllumazine synthase
(74 organisms)
2.5.1.79 thermospermine synthase
(6 organisms)
2.5.1.80 7-dimethylallyltryptophan synthase
(6 organisms)
2.5.1.81 geranylfarnesyl diphosphate synthase
(6 organisms)
2.5.1.82 hexaprenyl diphosphate synthase [geranylgeranyl-diphosphate specific]
(2 organisms)
2.5.1.83 hexaprenyl diphosphate synthase [(2
E
,6
E
)-farnesyl-diphosphate specific]
(3 organisms)
2.5.1.84
all
-
trans
-nonaprenyl diphosphate synthase [geranyl-diphosphate specific]
(3 organisms)
2.5.1.85
all
-
trans
-nonaprenyl diphosphate synthase [geranylgeranyl-diphosphate specific]
(6 organisms)
2.5.1.86
trans
,
polycis
-decaprenyl diphosphate synthase
(7 organisms)
2.5.1.87
di
trans
,
polycis
-polyprenyl diphosphate synthase [(2
E
,6
E
)-farnesyl diphosphate specific]
(15 organisms)
2.5.1.88
trans
,
polycis
-polyprenyl diphosphate synthase [(2
Z
,6
E
)-farnesyl diphosphate specific]
(1 organism)
2.5.1.89
tritrans
,
polycis
-undecaprenyl diphosphate synthase [geranylgeranyl-diphosphate specific]
(3 organisms)
2.5.1.90
all
-
trans
-octaprenyl-diphosphate synthase
(11 organisms)
2.5.1.91
all
-
trans
-decaprenyl-diphosphate synthase
(13 organisms)
2.5.1.92 (2
Z
,6
Z
)-farnesyl diphosphate synthase
(6 organisms)
2.5.1.93 4-hydroxybenzoate geranyltransferase
(2 organisms)
2.5.1.94 adenosyl-chloride synthase
(5 organisms)
2.5.1.95 xanthan ketal pyruvate transferase
(2 organisms)
2.5.1.96 4,4′-diapophytoene synthase
(13 organisms)
2.5.1.97 pseudaminic acid synthase
(2 organisms)
2.5.1.98
Rhizobium leguminosarum
exopolysaccharide glucosyl ketal-pyruvate-transferase
(1 organism)
2.5.1.99
all
-
trans
-phytoene synthase
2.5.1.100 fumigaclavine A dimethylallyltransferase
(2 organisms)
2.5.1.101
N
,
N
′-diacetyllegionaminate synthase
(4 organisms)
2.5.1.102 geranyl-pyrophosphate—olivetolic acid geranyltransferase
(1 organism)
2.5.1.103 presqualene diphosphate synthase
(1 organism)
2.5.1.104
N
1
-aminopropylagmatine synthase
(3 organisms)
2.5.1.105 7,8-dihydropterin-6-yl-methyl-4-(β-
D
-ribofuranosyl)aminobenzene 5′-phosphate synthase
(1 organism)
2.5.1.106 tryprostatin B synthase
(3 organisms)
2.5.1.107 verruculogen prenyltransferase
(1 organism)
2.5.1.108 2-(3-amino-3-carboxypropyl)histidine synthase
(4 organisms)
2.5.1.109 brevianamide F prenyltransferase (deoxybrevianamide E-forming)
(8 organisms)
2.5.1.110 12α,13α-dihydroxyfumitremorgin C prenyltransferase
(1 organism)
2.5.1.111 4-hydroxyphenylpyruvate 3-dimethylallyltransferase
(4 organisms)
2.5.1.112 adenylate dimethylallyltransferase (ADP/ATP-dependent)
(4 organisms)
2.5.1.113 [CysO sulfur-carrier protein]-thiocarboxylate-dependent cysteine synthase
(2 organisms)
2.5.1.114 tRNA
Phe
(4-demethylwyosine
37
-C7) aminocarboxypropyltransferase
(4 organisms)
2.5.1.115 homogentisate phytyltransferase
(9 organisms)
2.5.1.116 homogentisate geranylgeranyltransferase
(8 organisms)
2.5.1.117 homogentisate solanesyltransferase
(4 organisms)
2.5.1.118 β-(isoxazolin-5-on-2-yl)-
L
-alanine synthase
(2 organisms)
2.5.1.119 β-(isoxazolin-5-on-4-yl)-
L
-alanine synthase
(2 organisms)
2.5.1.120 aminodeoxyfutalosine synthase
(1 organism)
2.5.1.121 5,10-dihydrophenazine-1-carboxylate 9-dimethylallyltransferase
(2 organisms)
2.5.1.122 4-
O
-dimethylallyl-
L
-tyrosine synthase
(3 organisms)
2.5.1.123 flaviolin linalyltransferase
(2 organisms)
2.5.1.124 6-linalyl-2-
O
,3-dimethylflaviolin synthase
(2 organisms)
2.5.1.125 7-geranyloxy-5-hydroxy-2-methoxy-3-methylnaphthalene-1,4-dione synthase
(2 organisms)
2.5.1.126 norspermine synthase
(2 organisms)
2.5.1.127 caldopentamine synthase
(2 organisms)
2.5.1.128
N
4
-bis(aminopropyl)spermidine synthase
(1 organism)
2.5.1.129 flavin prenyltransferase
(2 organisms)
2.5.1.130 2-carboxy-1,4-naphthoquinone phytyltransferase
(2 organisms)
2.5.1.131 (4-{4-[2-(γ-
L
-glutamylamino)ethyl]phenoxymethyl}furan-2-yl)methanamine synthase
(2 organisms)
2.5.1.132 3-deoxy-
D
-
glycero
-
D
-
galacto
-nonulopyranosonate 9-phosphate synthase
(5 organisms)
2.5.1.133 bacteriochlorophyll
a
synthase
(9 organisms)
2.5.1.134 cystathionine β-synthase (
O
-acetyl-
L
-serine)
(3 organisms)
2.5.1.135 validamine 7-phosphate valienyltransferase
(3 organisms)
2.5.1.136 2-acylphloroglucinol 4-prenyltransferase
(1 organism)
2.5.1.137 2-acyl-4-prenylphloroglucinol 6-prenyltransferase
(1 organism)
2.5.1.138 coumarin 8-geranyltransferase
(1 organism)
2.5.1.139 umbelliferone 6-dimethylallyltransferase
(2 organisms)
2.5.1.140
N
-(2-amino-2-carboxyethyl)-
L
-glutamate synthase
(3 organisms)
2.5.1.141 heme
o
synthase
(12 organisms)
2.5.1.142 nerylneryl diphosphate synthase
(1 organism)
2.5.1.143 pyridinium-3,5-biscarboxylic acid mononucleotide synthase
(2 organisms)
2.5.1.144
S
-sulfo-
L
-cysteine synthase (
O
-acetyl-
L
-serine-dependent)
(5 organisms)
2.5.1.145 phosphatidylglycerol—prolipoprotein diacylglyceryl transferase
(14 organisms)
2.5.1.146 3-geranyl-3-[(
Z
)-2-isocyanoethenyl]indole synthase
(2 organisms)
2.5.1.147 5-amino-6-(
D
-ribitylamino)uracil—
L
-tyrosine 4-hydroxyphenyl transferase
(5 organisms)
2.5.1.148 lycopaoctaene synthase
(2 organisms)
2.5.1.149 lycopene elongase/hydratase (flavuxanthin-forming)
2.5.1.150 lycopene elongase/hydratase (dihydrobisanhydrobacterioruberin-forming)
2.5.1.151 alkylcobalamin dealkylase
2.5.1.152
D
-histidine 2-aminobutanoyltransferase
2.6 Transferring nitrogenous groups
(627 organisms)
2.6.1 Transaminases
(617 organisms)
2.6.2 Amidinotransferases (deleted sub-subclass)
2.6.3 Oximinotransferases
(6 organisms)
2.6.99 Transferring other nitrogenous groups
(12 organisms)
2.7 Transferring phosphorus-containing groups
(2649 organisms)
2.8 Transferring sulfur-containing groups
(404 organisms)
2.9 Transferring selenium-containing groups
(15 organisms)
2.10 Transferring molybdenum- or tungsten-containing groups
(2 organisms)
3 Hydrolases
(9513 organisms)
4 Lyases
(5106 organisms)
5 Isomerases
(2066 organisms)
6 Ligases
(1540 organisms)
7 Translocases
(833 organisms)