| caffeate O-methyltransferase | <enzyme> Caffeic acid methylated to ferulic acid; a separate enzyme (EC 2.1.1.104) acts on caffeoyl-CoA; jrg5 isolated from barley Registry number: EC 2.1.1.68 Synonym: sam-ca-methyltransferase, s-adenosylmethionine caffeic acid o-methyltransferase, caffeic acid o-methyltransferase, 5-hydroxyferulic acid o-methyltransferase, bispecific o-methyltransferase, lignin o-methyltransferase, caffeic acid 3-o-methyltransferase, caomt protein, jrg5 gene product, omt1 protein (26 Jun 1999) |
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| caffeoyl-CoA O-methyltransferase | <enzyme> Catalyses the methylation of caffeoyl-CoA to form trans-feruloyl-CoA; also accepts with low affinity various other caffeic esters as substrates; do not confuse with EC 2.1.1.68 which acts on caffeic acid; has been sequenced; genbank l22203 (stellaria longipes) Registry number: EC 2.1.1.104 Synonym: sam-c-CoA 3-o-methyltransferase, s-adenosylmethionin-trans-caffeoyl-coenzyme a 3-o-methyltransferase, sam-cca-methyltransferase, caffeoyl-CoA-3-o-methyltransferase, s-adenosyl-l-methionine-trans-caffeoyl-coenzyme a 3-o-methyltransferase, ccoaomt, s-adenosylmethionine-trans-caffeoyl-CoA 3-o-methyltransferase, ccoamt (26 Jun 1999) |
| cap II RNA(nucleoside-2'-)methyltransferase | <enzyme> Converts cap i-terminated mRNA to cap II-terminated mRNA Registry number: EC 2.1.1.- Synonym: cap II methylase (26 Jun 1999) |
| cap I RNA (nucleoside-2'-)methyltransferase | <enzyme> Converts cap 0-terminated mRNA to cap i-terminated mRNA Registry number: EC 2.1.1.- Synonym: cap I methylase (26 Jun 1999) |
| carminomycin 4-O-methyltransferase | <enzyme> Isolated from streptomyces peucetius; catalyses the final step in daunorubicin biosynthesis; embl/genbank l13453 Registry number: EC 2.1.1.- Synonym: dnrk gene product (26 Jun 1999) |
| m(2)G rRNA methyltransferase | <enzyme> 16s rrna-specific methyltransferase; forms m(2)g966; uses unmethylated 30s subunits as a substrate, but not free unmethylated 16s rrna Registry number: EC 2.1.1.- Synonym: m2g methyltransferase, m(2)g methyltransferase (26 Jun 1999) |
| m(5)C rRNA methyltransferase | <enzyme> 16s rrna-specific methyltransferase; forms m(5)c967; uses free rrna but not 30s subunits as substrate Registry number: EC 2.1.1.- Synonym: m5c methyltransferase, m(5)c methyltransferase (26 Jun 1999) |
| gamma-tocopherol methyltransferase | <enzyme> Forms alpha-tocopherol; enzyme nomenclature name of tocopherol o-methyltransferase is incorrect, since there are no -och3 groups in the product Registry number: EC 2.1.1.95 Synonym: gtc methyltransferase (26 Jun 1999) |
| magnesium-protoporphyrin methyltransferase | <enzyme> From photosynthetic tissue; catalyses the methylation of magnesium protoporphyrin in the presence of s-adenosyl-l-methionine to yield magnesium protoporphyrin monomethyl ester and s-adenosyl-l-homocysteine Registry number: EC 2.1.1.11 Synonym: s-adenosyl-l-methionine-magnesium protoporphyrin methyltransferase, mg-pp-methyltransferase, s-adenosyl-l-methionine-mg-protoporphyrin ix methyltransferase, bchm gene product (26 Jun 1999) |
| catechol o-methyltransferase | <enzyme> An enzyme of the transferase class that catalyses the transfer of a methyl group from s-adenosylmethionine to a catechol or catecholamine such as dopa, dopamine, norepinephrine, or epinephrine. (converting to normetanephrine and metanephrine, respectively), the methyl group coming from S-adenosyl-l-methionine. An important step in the catabolism of the catecholamines. The enzyme occurs in the cytoplasm, particularly in the kidney, liver, and central nervous system. Chemical name: S-Adenosyl-L-methionine:catechol O-methyltransferase Registry number: EC 2.1.1.6 (05 May 2002) |
| glycine methyltransferase | <enzyme> Liver protein sediments in the 4-s region of sucrose gradients; binds to benzo(a)pyrene and to folate Registry number: EC 2.1.1.20 Synonym: glycine n-methyltransferase, carcinogen-binding protein, 4s carcinogen-binding protein, 4-s carcinogen-binding protein, 4s polycylic aromatic hydrocarbon-binding protein, 4s pah-binding protein, pah-binding protein (26 Jun 1999) |
| chemotaxis methyltransferase | <enzyme> Methylates methyl-accepting chemotaxis proteins when added to permeability cells; see also record for methyl-accepting chemotaxis proteins Registry number: EC 2.1.1.- Synonym: chemotaxis methyltransferase II, cher protein, frzf gene product (26 Jun 1999) |
| ribulose-1,5-bisphosphate carboxylase-oxygenase large subunit epsilonN-methyltransferase | <enzyme> An aspect of EC 2.1.1.43; trimethylates lys-14 of rubisco Registry number: EC 2.1.1.- Synonym: rubisco lsmt, rubisco large subunit lysine n-methyltransferase (26 Jun 1999) |
| RNA 2'-O-methyltransferase | <enzyme> Methylates 2'-hydroxyl group of ribose moieties of ribosomal RNA; highest activity poly (c) is a synthetic substrate Registry number: EC 2.1.1.- Synonym: nucleolar 2'-o-methyltransferase (26 Jun 1999) |
| PET56 methyltransferase | <enzyme> Catalyses the site-specific formation of 2'-o-methylguanosine on in vitro transcripts of both mitochondrial 21s rrna and e. Coli 23s rrna Registry number: EC 2.1.1.- Synonym: pet56 protein, pet56 methylase, pet56 nuclear gene product (26 Jun 1999) |