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EC 2.1.1.4 Details

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EC number

2.1.1.4

Accepted name

acetylserotonin O-methyltransferase

Reaction

S-adenosyl-L-methionine + N-acetylserotonin = S-adenosyl-L-homocysteine + melatonin

Other name(s)

hydroxyindole methyltransferase, hydroxyindole O-methyltransferase, N-acetylserotonin O-methyltransferase, acetylserotonin methyltransferase

Systematic name

S-adenosyl-L-methionine:N-acetylserotonin O-methyltransferase

CAS registry number

9029-77-0

Comment

Some other hydroxyindoles also act as acceptor, but more slowly.

History

created 1961

EC Tree

1 Oxidoreductases

2.1 Transferring one-carbon groups

2.1.1 Methyltransferases

2.1.1.1 nicotinamide N-methyltransferase

2.1.1.2 guanidinoacetate N-methyltransferase

2.1.1.3 thetin—homocysteine S-methyltransferase

2.1.1.4 acetylserotonin O-methyltransferase

2.1.1.5 betaine—homocysteine S-methyltransferase

2.1.1.6 catechol O-methyltransferase

2.1.1.7 nicotinate N-methyltransferase

2.1.1.8 histamine N-methyltransferase

2.1.1.9 thiol S-methyltransferase

2.1.1.10 homocysteine S-methyltransferase

2.1.1.11 magnesium protoporphyrin IX methyltransferase

2.1.1.12 methionine S-methyltransferase

2.1.1.13 methionine synthase

2.1.1.14 5-methyltetrahydropteroyltriglutamate—homocysteine S-methyltransferase

2.1.1.15 fatty-acid O-methyltransferase

2.1.1.16 methylene-fatty-acyl-phospholipid synthase

2.1.1.17 phosphatidylethanolamine N-methyltransferase

2.1.1.18 polysaccharide O-methyltransferase

2.1.1.19 trimethylsulfonium—tetrahydrofolate N-methyltransferase

2.1.1.20 glycine N-methyltransferase

2.1.1.21 methylamine—glutamate N-methyltransferase

2.1.1.22 carnosine N-methyltransferase

2.1.1.23 created 1972, modified 1976, modified 1983, deleted 1999

2.1.1.24 created 1972, modified 1983, modified 1989, deleted 1992

2.1.1.25 phenol O-methyltransferase

2.1.1.26 iodophenol O-methyltransferase

2.1.1.27 tyramine N-methyltransferase

2.1.1.28 phenylethanolamine N-methyltransferase

2.1.1.29 tRNA (cytosine-5-)-methyltransferase

2.1.1.30 created 1972, deleted 1981

2.1.1.31 tRNA (guanine-N¹-)-methyltransferase

2.1.1.32 tRNA (guanine-N²-)-methyltransferase

2.1.1.33 tRNA (guanine⁴⁶-N⁷)-methyltransferase

2.1.1.34 tRNA (guanosine¹⁸-2′-O)-methyltransferase

2.1.1.35 tRNA (uracil⁵⁴-C⁵)-methyltransferase

2.1.1.36 tRNA (adenine-N¹-)-methyltransferase

2.1.1.37 DNA (cytosine-5-)-methyltransferase

2.1.1.38 O-demethylpuromycin O-methyltransferase

2.1.1.39 inositol 3-methyltransferase

2.1.1.40 inositol 1-methyltransferase

2.1.1.41 sterol 24-C-methyltransferase

2.1.1.42 flavone 3′-O-methyltransferase

2.1.1.43 histone-lysine N-methyltransferase

2.1.1.44 L-histidine N^α-methyltransferase

2.1.1.45 thymidylate synthase

2.1.1.46 isoflavone 4′-O-methyltransferase

2.1.1.47 indolepyruvate C-methyltransferase

2.1.1.48 rRNA (adenine-N⁶-)-methyltransferase

2.1.1.49 amine N-methyltransferase

2.1.1.50 loganate O-methyltransferase

2.1.1.51 rRNA (guanine-N¹-)-methyltransferase

2.1.1.52 rRNA (guanine-N²-)-methyltransferase

2.1.1.53 putrescine N-methyltransferase

2.1.1.54 deoxycytidylate C-methyltransferase

2.1.1.55 tRNA (adenine-N⁶-)-methyltransferase

2.1.1.56 mRNA (guanine-N⁷)-methyltransferase

2.1.1.57 methyltransferase cap1

2.1.1.58 created 1981, deleted 1984

2.1.1.59 [cytochrome c]-lysine N-methyltransferase

2.1.1.60 calmodulin-lysine N-methyltransferase

2.1.1.61 tRNA 5-(aminomethyl)-2-thiouridylate-methyltransferase

2.1.1.62 mRNA (2′-O-methyladenosine-N⁶-)-methyltransferase

2.1.1.63 methylated-DNA—[protein]-cysteine S-methyltransferase

2.1.1.64 3-demethylubiquinol 3-O-methyltransferase

2.1.1.65 licodione 2′-O-methyltransferase

2.1.1.66 rRNA (adenosine-2′-O-)-methyltransferase

2.1.1.67 thiopurine S-methyltransferase

2.1.1.68 caffeate O-methyltransferase

2.1.1.69 5-hydroxyfuranocoumarin 5-O-methyltransferase

2.1.1.70 8-hydroxyfuranocoumarin 8-O-methyltransferase

2.1.1.71 phosphatidyl-N-methylethanolamine N-methyltransferase

2.1.1.72 site-specific DNA-methyltransferase (adenine-specific)

2.1.1.73 created 1984, deleted 2003

2.1.1.74 methylenetetrahydrofolate—tRNA-(uracil⁵⁴-C⁵)-methyltransferase [NAD(P)H-oxidizing]

2.1.1.75 apigenin 4′-O-methyltransferase

2.1.1.76 quercetin 3-O-methyltransferase

2.1.1.77 protein-L-isoaspartate(D-aspartate) O-methyltransferase

2.1.1.78 isoorientin 3′-O-methyltransferase

2.1.1.79 cyclopropane-fatty-acyl-phospholipid synthase

2.1.1.80 protein-glutamate O-methyltransferase

2.1.1.81 created 1989, deleted 1990

2.1.1.82 3-methylquercetin 7-O-methyltransferase

2.1.1.83 3,7-dimethylquercetin 4′-O-methyltransferase

2.1.1.84 methylquercetagetin 6-O-methyltransferase

2.1.1.85 protein-histidine N-methyltransferase

2.1.1.86 tetrahydromethanopterin S-methyltransferase

2.1.1.87 pyridine N-methyltransferase

2.1.1.88 8-hydroxyquercetin 8-O-methyltransferase

2.1.1.89 tetrahydrocolumbamine 2-O-methyltransferase

2.1.1.90 methanol—corrinoid protein Co-methyltransferase

2.1.1.91 isobutyraldoxime O-methyltransferase

2.1.1.92 bergaptol O-methyltransferase

2.1.1.93 xanthotoxol O-methyltransferase

2.1.1.94 tabersonine 16-O-methyltransferase

2.1.1.95 tocopherol C-methyltransferase

2.1.1.96 thioether S-methyltransferase

2.1.1.97 3-hydroxyanthranilate 4-C-methyltransferase

2.1.1.98 diphthine synthase

2.1.1.99 3-hydroxy-16-methoxy-2,3-dihydrotabersonine N-methyltransferase

2.1.1.100 protein-S-isoprenylcysteine O-methyltransferase

2.1.1.101 macrocin O-methyltransferase

2.1.1.102 demethylmacrocin O-methyltransferase

2.1.1.103 phosphoethanolamine N-methyltransferase

2.1.1.104 caffeoyl-CoA O-methyltransferase

2.1.1.105 N-benzoyl-4-hydroxyanthranilate 4-O-methyltransferase

2.1.1.106 tryptophan 2-C-methyltransferase

2.1.1.107 uroporphyrinogen-III C-methyltransferase

2.1.1.108 6-hydroxymellein O-methyltransferase

2.1.1.109 demethylsterigmatocystin 6-O-methyltransferase

2.1.1.110 sterigmatocystin 8-O-methyltransferase

2.1.1.111 anthranilate N-methyltransferase

2.1.1.112 glucuronoxylan 4-O-methyltransferase

2.1.1.113 site-specific DNA-methyltransferase (cytosine-N⁴-specific)

2.1.1.114 polyprenyldihydroxybenzoate methyltransferase

2.1.1.115 (RS)-1-benzyl-1,2,3,4-tetrahydroisoquinoline N-methyltransferase

2.1.1.116 3′-hydroxy-N-methyl-(S)-coclaurine 4′-O-methyltransferase

2.1.1.117 (S)-scoulerine 9-O-methyltransferase

2.1.1.118 columbamine O-methyltransferase

2.1.1.119 10-hydroxydihydrosanguinarine 10-O-methyltransferase

2.1.1.120 12-hydroxydihydrochelirubine 12-O-methyltransferase

2.1.1.121 6-O-methylnorlaudanosoline 5′-O-methyltransferase

2.1.1.122 (S)-tetrahydroprotoberberine N-methyltransferase

2.1.1.123 [cytochrome-c]-methionine S-methyltransferase

2.1.1.124 [cytochrome c]-arginine N-methyltransferase

2.1.1.125 histone-arginine N-methyltransferase

2.1.1.126 [myelin basic protein]-arginine N-methyltransferase

2.1.1.127 [ribulose-bisphosphate carboxylase]-lysine N-methyltransferase

2.1.1.128 (RS)-norcoclaurine 6-O-methyltransferase

2.1.1.129 inositol 4-methyltransferase

2.1.1.130 precorrin-2 C²⁰-methyltransferase

2.1.1.131 precorrin-3B C¹⁷-methyltransferase

2.1.1.132 precorrin-6B C5,15-methyltransferase (decarboxylating)

2.1.1.133 precorrin-4 C¹¹-methyltransferase

2.1.1.134 created 1999, deleted 2002

2.1.1.135 created 1999, deleted 2003

2.1.1.136 chlorophenol O-methyltransferase

2.1.1.137 arsenite methyltransferase

2.1.1.138 created 2000, deleted 2003

2.1.1.139 3′-demethylstaurosporine O-methyltransferase

2.1.1.140 (S)-coclaurine-N-methyltransferase

2.1.1.141 jasmonate O-methyltransferase

2.1.1.142 cycloartenol 24-C-methyltransferase

2.1.1.143 24-methylenesterol C-methyltransferase

2.1.1.144 trans-aconitate 2-methyltransferase

2.1.1.145 trans-aconitate 3-methyltransferase

2.1.1.146 (iso)eugenol O-methyltransferase

2.1.1.147 corydaline synthase

2.1.1.148 thymidylate synthase (FAD)

2.1.1.149 myricetin O-methyltransferase

2.1.1.150 isoflavone 7-O-methyltransferase

2.1.1.151 cobalt-factor II C²⁰-methyltransferase

2.1.1.152 precorrin-6A synthase (deacetylating)

2.1.1.153 vitexin 2′′-O-rhamnoside 7-O-methyltransferase

2.1.1.154 isoliquiritigenin 2′-O-methyltransferase

2.1.1.155 kaempferol 4′-O-methyltransferase

2.1.1.156 glycine/sarcosine N-methyltransferase

2.1.1.157 sarcosine/dimethylglycine N-methyltransferase

2.1.1.158 7-methylxanthosine synthase

2.1.1.159 theobromine synthase

2.1.1.160 caffeine synthase

2.1.1.161 dimethylglycine N-methyltransferase

2.1.1.162 glycine/sarcosine/dimethylglycine N-methyltransferase

2.1.1.163 demethylmenaquinone methyltransferase

2.1.1.164 demethylrebeccamycin-D-glucose O-methyltransferase

2.1.1.165 methyl halide transferase

2.1.1.166 23S rRNA (uridine²⁵⁵²-2′-O)-methyltransferase

2.1.1.167 27S pre-rRNA (guanosine²⁹²²-2′-O)-methyltransferase

2.1.1.168 21S rRNA (uridine²⁷⁹¹-2′-O)-methyltransferase

2.1.1.169 tricetin 3′,4′,5′-O-trimethyltransferase

2.1.1.170 16S rRNA (guanine⁵²⁷-N⁷)-methyltransferase

2.1.1.171 16S rRNA (guanine⁹⁶⁶-N²)-methyltransferase

2.1.1.172 16S rRNA (guanine¹²⁰⁷-N²)-methyltransferase

2.1.1.173 23S rRNA (guanine²⁴⁴⁵-N²)-methyltransferase

2.1.1.174 23S rRNA (guanine¹⁸³⁵-N²)-methyltransferase

2.1.1.175 tricin synthase

2.1.1.176 16S rRNA (cytosine⁹⁶⁷-C⁵)-methyltransferase

2.1.1.177 23S rRNA (pseudouridine¹⁹¹⁵-N³)-methyltransferase

2.1.1.178 16S rRNA (cytosine¹⁴⁰⁷-C⁵)-methyltransferase

2.1.1.179 16S rRNA (guanine¹⁴⁰⁵-N⁷)-methyltransferase

2.1.1.180 16S rRNA (adenine¹⁴⁰⁸-N¹)-methyltransferase

2.1.1.181 23S rRNA (adenine¹⁶¹⁸-N⁶)-methyltransferase

2.1.1.182 16S rRNA (adenine¹⁵¹⁸-N⁶/adenine¹⁵¹⁹-N⁶)-dimethyltransferase

2.1.1.183 18S rRNA (adenine¹⁷⁷⁹-N⁶/adenine¹⁷⁸⁰-N⁶)-dimethyltransferase

2.1.1.184 23S rRNA (adenine²⁰⁸⁵-N⁶)-dimethyltransferase

2.1.1.185 23S rRNA (guanosine²²⁵¹-2′-O)-methyltransferase

2.1.1.186 23S rRNA (cytidine²⁴⁹⁸-2′-O)-methyltransferase

2.1.1.187 23S rRNA (guanine⁷⁴⁵-N¹)-methyltransferase

2.1.1.188 23S rRNA (guanine⁷⁴⁸-N¹)-methyltransferase

2.1.1.189 23S rRNA (uracil⁷⁴⁷-C⁵)-methyltransferase

2.1.1.190 23S rRNA (uracil¹⁹³⁹-C⁵)-methyltransferase

2.1.1.191 23S rRNA (cytosine¹⁹⁶²-C⁵)-methyltransferase

2.1.1.192 23S rRNA (adenine²⁵⁰³-C²)-methyltransferase

2.1.1.193 16S rRNA (uracil¹⁴⁹⁸-N³)-methyltransferase

2.1.1.194 23S rRNA (adenine²⁵⁰³-C²,C⁸)-dimethyltransferase

2.1.1.195 cobalt-precorrin-5B (C1)-methyltransferase

2.1.1.196 cobalt-precorrin-6B (C15)-methyltransferase [decarboxylating]

2.1.1.197 malonyl-[acyl-carrier protein] O-methyltransferase

2.1.1.198 16S rRNA (cytidine¹⁴⁰²-2′-O)-methyltransferase

2.1.1.199 16S rRNA (cytosine¹⁴⁰²-N⁴)-methyltransferase

2.1.1.200 tRNA (cytidine³²/uridine³²-2′-O)-methyltransferase

2.1.1.201 2-methoxy-6-polyprenyl-1,4-benzoquinol methylase

2.1.1.202 multisite-specific tRNA:(cytosine-C⁵)-methyltransferase

2.1.1.203 tRNA (cytosine³⁴-C⁵)-methyltransferase

2.1.1.204 tRNA (cytosine³⁸-C⁵)-methyltransferase

2.1.1.205 tRNA (cytidine³²/guanosine³⁴-2′-O)-methyltransferase

2.1.1.206 tRNA (cytidine⁵⁶-2′-O)-methyltransferase

2.1.1.207 tRNA (cytidine³⁴-2′-O)-methyltransferase

2.1.1.208 23S rRNA (uridine²⁴⁷⁹-2′-O)-methyltransferase

2.1.1.209 23S rRNA (guanine²⁵³⁵-N¹)-methyltransferase

2.1.1.210 demethylspheroidene O-methyltransferase

2.1.1.211 tRNA^Ser (uridine⁴⁴-2′-O)-methyltransferase

2.1.1.212 2,7,4′-trihydroxyisoflavanone 4′-O-methyltransferase

2.1.1.213 tRNA (guanine¹⁰-N²)-dimethyltransferase

2.1.1.214 tRNA (guanine¹⁰-N²)-methyltransferase

2.1.1.215 tRNA (guanine²⁶-N²/guanine²⁷-N²)-dimethyltransferase

2.1.1.216 tRNA (guanine²⁶-N²)-dimethyltransferase

2.1.1.217 tRNA (adenine²²-N¹)-methyltransferase

2.1.1.218 tRNA (adenine⁹-N¹)-methyltransferase

2.1.1.219 tRNA (adenine⁵⁷-N¹/adenine⁵⁸-N¹)-methyltransferase

2.1.1.220 tRNA (adenine⁵⁸-N¹)-methyltransferase

2.1.1.221 tRNA (guanine⁹-N¹)-methyltransferase

2.1.1.222 2-polyprenyl-6-hydroxyphenol methylase

2.1.1.223 tRNA₁^Val (adenine³⁷-N⁶)-methyltransferase

2.1.1.224 23S rRNA (adenine²⁵⁰³-C⁸)-methyltransferase

2.1.1.225 tRNA:m⁴X modification enzyme

2.1.1.226 23S rRNA (cytidine¹⁹²⁰-2′-O)-methyltransferase

2.1.1.227 16S rRNA (cytidine¹⁴⁰⁹-2′-O)-methyltransferase

2.1.1.228 tRNA (guanine³⁷-N¹)-methyltransferase

2.1.1.229 tRNA (carboxymethyluridine³⁴-5-O)-methyltransferase

2.1.1.230 23S rRNA (adenosine¹⁰⁶⁷-2′-O)-methyltransferase

2.1.1.231 flavonoid 4′-O-methyltransferase

2.1.1.232 naringenin 7-O-methyltransferase

2.1.1.233 [phosphatase 2A protein]-leucine-carboxy methyltransferase

2.1.1.234 dTDP-3-amino-3,4,6-trideoxy-α-D-glucopyranose N,N-dimethyltransferase

2.1.1.235 dTDP-3-amino-3,6-dideoxy-α-D-glucopyranose N,N-dimethyltransferase

2.1.1.236 dTDP-3-amino-3,6-dideoxy-α-D-galactopyranose N,N-dimethyltransferase

2.1.1.237 mycinamicin III 3′′-O-methyltransferase

2.1.1.238 mycinamicin VI 2′′-O-methyltransferase

2.1.1.239 L-olivosyl-oleandolide 3-O-methyltransferase

2.1.1.240 trans-resveratrol di-O-methyltransferase

2.1.1.241 2,4,7-trihydroxy-1,4-benzoxazin-3-one-glucoside 7-O-methyltransferase

2.1.1.242 16S rRNA (guanine¹⁵¹⁶-N²)-methyltransferase

2.1.1.243 2-ketoarginine methyltransferase

2.1.1.244 protein N-terminal methyltransferase

2.1.1.245 5-methyltetrahydrosarcinapterin—corrinoid/iron-sulfur protein Co-methyltransferase

2.1.1.246 [methyl-Co(III) methanol-specific corrinoid protein]—coenzyme M methyltransferase

2.1.1.247 [methyl-Co(III) methylamine-specific corrinoid protein]—coenzyme M methyltransferase

2.1.1.248 methylamine—corrinoid protein Co-methyltransferase

2.1.1.249 dimethylamine—corrinoid protein Co-methyltransferase

2.1.1.250 trimethylamine—corrinoid protein Co-methyltransferase

2.1.1.251 methylated-thiol—coenzyme M methyltransferase

2.1.1.252 tetramethylammonium—corrinoid protein Co-methyltransferase

2.1.1.253 [methyl-Co(III) tetramethylammonium-specific corrinoid protein]—coenzyme M methyltransferase

2.1.1.254 erythromycin 3′′-O-methyltransferase

2.1.1.255 geranyl diphosphate 2-C-methyltransferase

2.1.1.256 tRNA (guanine⁶-N²)-methyltransferase

2.1.1.257 tRNA (pseudouridine⁵⁴-N¹)-methyltransferase

2.1.1.258 5-methyltetrahydrofolate—corrinoid/iron-sulfur protein Co-methyltransferase

2.1.1.259 [fructose-bisphosphate aldolase]-lysine N-methyltransferase

2.1.1.260 rRNA small subunit pseudouridine methyltransferase Nep1

2.1.1.261 4-dimethylallyltryptophan N-methyltransferase

2.1.1.262 squalene methyltransferase

2.1.1.263 botryococcene C-methyltransferase

2.1.1.264 23S rRNA (guanine²⁰⁶⁹-N⁷)-methyltransferase

2.1.1.265 tellurite methyltransferase

2.1.1.266 23S rRNA (adenine²⁰³⁰-N⁶)-methyltransferase

2.1.1.267 flavonoid 3′,5′-methyltransferase

2.1.1.268 tRNA^Thr (cytosine³²-N³)-methyltransferase

2.1.1.269 dimethylsulfoniopropionate demethylase

2.1.1.270 (+)-6a-hydroxymaackiain 3-O-methyltransferase

2.1.1.271 cobalt-precorrin-4 methyltransferase

2.1.1.272 cobalt-factor III methyltransferase

2.1.1.273 benzoate O-methyltransferase

2.1.1.274 salicylate 1-O-methyltransferase

2.1.1.275 gibberellin A₉ O-methyltransferase

2.1.1.276 gibberellin A₄ carboxyl methyltransferase

2.1.1.277 anthranilate O-methyltransferase

2.1.1.278 indole-3-acetate O-methyltransferase

2.1.1.279 trans-anol O-methyltransferase

2.1.1.280 selenocysteine Se-methyltransferase

2.1.1.281 phenylpyruvate C³-methyltransferase

2.1.1.282 tRNA^Phe 7-[(3-amino-3-carboxypropyl)-4-demethylwyosine³⁷-N⁴]-methyltransferase

2.1.1.283 emodin O-methyltransferase

2.1.1.284 8-demethylnovobiocic acid C⁸-methyltransferase

2.1.1.285 demethyldecarbamoylnovobiocin O-methyltransferase

2.1.1.286 25S rRNA (adenine²¹⁴²-N¹)-methyltransferase

2.1.1.287 25S rRNA (adenine⁶⁴⁵-N¹)-methyltransferase

2.1.1.288 aklanonic acid methyltransferase

2.1.1.289 cobalt-precorrin-7 (C5)-methyltransferase

2.1.1.290 tRNA^Phe [7-(3-amino-3-carboxypropyl)wyosine³⁷-O]-methyltransferase

2.1.1.291 (R,S)-reticuline 7-O-methyltransferase

2.1.1.292 carminomycin 4-O-methyltransferase

2.1.1.293 6-hydroxytryprostatin B O-methyltransferase

2.1.1.294 3-O-phospho-polymannosyl GlcNAc-diphospho-ditrans,octacis-undecaprenol 3-phospho-methyltransferase

2.1.1.295 2-methyl-6-phytyl-1,4-hydroquinone methyltransferase

2.1.1.296 methyltransferase cap2

2.1.1.297 peptide chain release factor N⁵-glutamine methyltransferase

2.1.1.298 ribosomal protein L3 N⁵-glutamine methyltransferase

2.1.1.299 protein N-terminal monomethyltransferase

2.1.1.300 pavine N-methyltransferase

2.1.1.301 cypemycin N-terminal methyltransferase

2.1.1.302 3-hydroxy-5-methyl-1-naphthoate 3-O-methyltransferase

2.1.1.303 2,7-dihydroxy-5-methyl-1-naphthoate 7-O-methyltransferase

2.1.1.304 L-tyrosine C³-methyltransferase

2.1.1.305 8-demethyl-8-α-L-rhamnosyltetracenomycin-C 2′-O-methyltransferase

2.1.1.306 8-demethyl-8-(2-methoxy-α-L-rhamnosyl)tetracenomycin-C 3′-O-methyltransferase

2.1.1.307 8-demethyl-8-(2,3-dimethoxy-α-L-rhamnosyl)tetracenomycin-C 4′-O-methyltransferase

2.1.1.308 cytidylyl-2-hydroxyethylphosphonate methyltransferase

2.1.1.309 18S rRNA (guanine¹⁵⁷⁵-N⁷)-methyltransferase

2.1.1.310 25S rRNA (cytosine²⁸⁷⁰-C⁵)-methyltransferase

2.1.1.311 25S rRNA (cytosine²²⁷⁸-C⁵)-methyltransferase

2.1.1.312 25S rRNA (uracil²⁸⁴³-N³)-methyltransferase

2.1.1.313 25S rRNA (uracil²⁶³⁴-N³)-methyltransferase

2.1.1.314 diphthine methyl ester synthase

2.1.1.315 27-O-demethylrifamycin SV methyltransferase

2.1.1.316 mitomycin 6-O-methyltransferase

2.1.1.317 sphingolipid C⁹-methyltransferase

2.1.1.318 [trehalose-6-phosphate synthase]-L-cysteine S-methyltransferase

2.1.1.319 type I protein arginine methyltransferase

2.1.1.320 type II protein arginine methyltransferase

2.1.1.321 type III protein arginine methyltransferase

2.1.1.322 type IV protein arginine methyltransferase

2.1.1.323 (–)-pluviatolide 4-O-methyltransferase

2.1.1.324 dTDP-4-amino-2,3,4,6-tetradeoxy-D-glucose N,N-dimethyltransferase

2.1.1.325 juvenile hormone-III synthase

2.1.1.326 N-acetyldemethylphosphinothricin P-methyltransferase

2.1.1.327 phenazine-1-carboxylate N-methyltransferase

2.1.1.328 N-demethylindolmycin N-methyltransferase

2.1.1.329 demethylphylloquinol methyltransferase

2.1.1.330 5′-demethylyatein 5′-O-methyltransferase

2.1.1.331 bacteriochlorophyllide d C-12¹-methyltransferase

2.1.1.332 bacteriochlorophyllide d C-8²-methyltransferase

2.1.1.333 bacteriochlorophyllide d C-20 methyltransferase

2.1.1.334 methanethiol S-methyltransferase

2.1.1.335 4-amino-anhydrotetracycline N⁴-methyltransferase

2.1.1.336 norbelladine O-methyltransferase

2.1.1.337 reticuline N-methyltransferase

2.1.1.338 desmethylxanthohumol 6′-O-methyltransferase

2.1.1.339 xanthohumol 4-O-methyltransferase

2.1.1.340 3-aminomethylindole N-methyltransferase

2.1.1.341 vanillate/3-O-methylgallate O-demethylase

2.1.1.342 anaerobilin synthase

2.1.1.343 8-amino-8-demethylriboflavin N,N-dimethyltransferase

2.1.1.344 ornithine lipid N-methyltransferase

2.1.1.345 psilocybin synthase

2.1.1.346 U6 snRNA m⁶A methyltransferase

2.1.1.347 (+)-O-methylkolavelool synthase

2.1.1.348 mRNA m⁶A methyltransferase

2.1.1.349 toxoflavin synthase

2.1.1.350 menaquinone C⁸-methyltransferase

2.1.1.351 nocamycin O-methyltransferase

2.1.1.352 3-O-acetyl-4′-O-demethylpapaveroxine 4′-O-methyltransferase

2.1.1.353 demethylluteothin O-methyltransferase

2.1.1.354 [histone H3]-lysine⁴ N-trimethyltransferase

2.1.1.355 [histone H3]-lysine⁹ N-trimethyltransferase

2.1.1.356 [histone H3]-lysine²⁷ N-trimethyltransferase

2.1.1.357 [histone H3]-lysine³⁶ N-dimethyltransferase

2.1.1.358 [histone H3]-dimethyl-L-lysine³⁶ N-methyltransferase

2.1.1.359 [histone H3]-lysine³⁶ N-trimethyltransferase

2.1.1.360 [histone H3]-lysine⁷⁹ N-trimethyltransferase

2.1.1.361 [histone H4]-lysine²⁰ N-methyltransferase

2.1.1.362 [histone H4]-N-methyl-L-lysine²⁰ N-methyltransferase

2.1.1.363 pre-sodorifen synthase

2.1.1.364 [histone H3]-lysine⁴ N-methyltransferase

2.1.1.365 MMP 1-O-methyltransferase

2.1.1.366 [histone H3]-N⁶,N⁶-dimethyl-lysine⁹ N-methyltransferase

2.1.1.367 [histone H3]-lysine⁹ N-methyltransferase

2.1.1.368 [histone H3]-lysine⁹ N-dimethyltransferase

2.1.1.369 [histone H3]-lysine²⁷ N-methyltransferase

2.1.1.370 [histone H3]-lysine⁴ N-dimethyltransferase

2.1.1.371 [histone H3]-lysine²⁷ N-dimethyltransferase

2.1.1.372 [histone H4]-lysine²⁰ N-trimethyltransferase

2.1.1.373 2-hydroxy-4-(methylsulfanyl)butanoate S-methyltransferase

2.1.1.374 2-heptyl-1-hydroxyquinolin-4(1H)-one methyltransferase

2.1.1.375 NNS virus cap methyltransferase

2.1.1.376 glycine betaine—corrinoid protein Co-methyltransferase

2.1.1.377 [methyl-Co(III) glycine betaine-specific corrinoid protein]—coenzyme M methyltransferase

2.1.1.378 [methyl-Co(III) glycine betaine-specific corrinoid protein]—tetrahydrofolate methyltransferase

2.1.1.379 [methyl coenzyme M reductase]-L-arginine C-5-methyltransferase

2.1.1.380 3-amino-4-hydroxybenzoate 4-O-methyltransferase

2.1.1.381 arginine N^ω-methyltransferase

2.1.1.382 methoxylated aromatic compound—corrinoid protein Co-methyltransferase

2.1.1.383 L-carnitine—corrinoid protein Co-methyltransferase

2.1.1.384 [methyl-Co(III) methoxylated-aromatic-compound-specific corrinoid protein]—tetrahydromethanopterin methyltransferase

2.1.1.385 [methyl-Co(III) methoxylated-aromatic-compound-specific corrinoid protein]—tetrahydrofolate methyltransferase

2.1.2 Hydroxymethyl-, formyl- and related transferases

2.1.3 Carboxy- and carbamoyltransferases

2.1.4 Amidinotransferases

2.1.5 Methylenetransferases

2.2 Transferring aldehyde or ketonic groups

2.3 Acyltransferases

2.4 Glycosyltransferases

2.5 Transferring alkyl or aryl groups, other than methyl groups

2.6 Transferring nitrogenous groups

2.7 Transferring phosphorus-containing groups

2.8 Transferring sulfur-containing groups

2.9 Transferring selenium-containing groups

2.10 Transferring molybdenum- or tungsten-containing groups

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Release 2023.1 (January 2023)