| isoliquiritigen 2'-O-methyltransferase | <enzyme> From alfalfa (medicago sativa l.); methylates the 2'-hydroxyl group of isoliquiritigenin; inhibited by s-adenosyl-l-homocysteine Registry number: EC 2.1.1.- Synonym: 2',4,4'-trihydroxychalcone 2'-o-methyltransferase, isoli methyltransferase, chmt methyltransferase (26 Jun 1999) |
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| O(4)-methylthymine-DNA methyltransferase | <enzyme> Repairs o(4)-methylthymidine residues in DNA Registry number: EC 2.1.1.- Synonym: mth-DNA methyltransferase (26 Jun 1999) |
| o(6)-methylguanine-DNA methyltransferase | <enzyme> An enzyme that transfers methyl groups from o(6)-methylguanine, and other methylated moities of DNA, to a cysteine residue in itself, thus repairing alkylated DNA in a single-step reaction. Chemical name: DNA-6-O-methylguanine:protein-L-cysteine S-methyltransferase Registry number: EC 2.1.1.63 (12 Dec 1998) |
| o-dihydricphenol meta-O-methyltransferase | <enzyme> Involved in flavone glycoside biosynthesis Registry number: EC 2.1.1.- Synonym: dhcp-mtf (26 Jun 1999) |
| tetrahydrofolate methyltransferase | Tetrahydropteroylglutamate methyltransferase; methionine-homocysteine methyltransferase;an enzyme that catalyses the reaction of N5-methyltetrahydrofolate with l-homocysteine to form tetrahydrofolate and l-methionine; a cobalamin-requiring enzyme; a deficiency of this enzyme results in an accumulation of l-homocysteine and neurological abnormalities. Synonym: tetrahydrofolate methyltransferase. (05 Mar 2000) |
| tetrahydromethanopterin S-methyltransferase | <enzyme> Catalyses transfer of methyl groups from methyltetrahydromethanopterin to 2-mercaptoethanesulfonate; component of methane synthesizing complex of methanobacterium thermoautotrophicum; enzyme contains 5-hydroxybenzimidazolyl cobamide Registry number: EC 2.1.1.86 Synonym: thmpt methyltransferase, tetrahydromethanopterin methyltransferase, meh4mpt-com methyltransferase, methyltetrahydromethanopterin-coenzyme m methyltransferase, 5-methyl-5,6,7,8-tetrahydromethanopterin - 2-mercaptoethanesulfonate 2-methyltransferase, n5-methyltetrahydromethanopterin-coenzyme m methyltransferase, n(5)-methyltetrahydromethanopterin-coenzyme m methyltransferase (26 Jun 1999) |
| emodin O-methyltransferase | <enzyme> Catalyses methylation of the 8-hydroxy group of emodin, forming questin; mw = 322 kD Registry number: EC 2.1.1.- (26 Jun 1999) |
| trimethylamine-coenzyme M methyltransferase | <enzyme> A corrinoid protein from methanosarcina barkeri Registry number: EC 2.1.1.- Synonym: trimethylamine hs-com methyltransferase, tmcm methyltransferase (26 Jun 1999) |
| tRNA(1-methylguanosine)methyltransferase | <enzyme> Mw 21 kD; converts guanosine in position 37 to 1-methylguanosine and at least one of the trna(arg) isoacceptors Registry number: EC 2.1.1.- Synonym: trmd protein (26 Jun 1999) |
| tRNA (5-methylaminomethyl-2-thiouridylate)-methyltransferase | <enzyme> From E coli; has two enzymatic activities, one demodifies 5-carboxymethylaminomethyl-2-thiouridine to the 5-amino cpd, the other catalyses the transfer of a methyl group from s-adenosylmethionine to 5-aminomethyl-2-thiouridine thus forming 5-methylaminomethyl-2-thiouridine Registry number: EC 2.1.1.61 Synonym: trna(5-methylaminomethyl-2-thiouridine)-methyltransferase, trna(mnm5s2u)-methyltransferase (26 Jun 1999) |
| tRNA(guanosine-2'-)-methyltransferase | <enzyme> Transfers the methyl group from s-adenosyl-l-methionine to the 2'-hydroxyl group of a guanosine residue present in a gg sequence in trna(try) Registry number: EC 2.1.1.34 Synonym: trna(gm)methylase, trna(wobble guanosine 2'-o-)methyltransferase (26 Jun 1999) |
| tryptophan 2-methyltransferase | <enzyme> From streptomyces laurentii; catalyses the transfer of a methyl group from s-adenosylmethionine to the c-2 carbon of tryptophan resulting in alpha-methyltryptophan; involved in the biosynthesis of thiostrepton Registry number: EC 2.1.1.- Synonym: s-adenosylmethionine-tryptophan 2-methyltransferase (26 Jun 1999) |
| tryptophan C-methyltransferase | <enzyme> Catalyses transfer of methyl group from s-adenosylmethionine to c-3 of tryptophan resulting in beta-methyltryptophan; involved in streptonigrin biosynthesis Registry number: EC 2.1.1.- (26 Jun 1999) |
| eugenol O-methyltransferase | <enzyme> Forms methyleugenol and isomethyleugenol from eugenol and isoeugenol, respectively; genbank u86760 Registry number: EC 2.1.1.- Synonym: (iso)eugenol o-methyltransferase, s-adenosylmethionine - (iso)eugenol o-methyltransferase, iemt1 gene product (26 Jun 1999) |
| U1 small nuclear RNA-(guanosine-N2)-methyltransferase | <enzyme> A trans-active non-small nuclear ribonucleoprotein; facilitates the formation of the m3g cap Registry number: EC 2.1.1.- Synonym: u1 snrna(g-n2)mtase (26 Jun 1999) |