| histone-lysine n-methyltransferase | <enzyme> An enzyme that catalyses the methylation of the epsilon-amino group of lysine residues in proteins to yield epsilon mono-, di-, and trimethyllysine. Chemical name: S-Adenosyl-L-methionine:histone-L-lysine N(6)-methyltransferase Registry number: EC 2.1.1.43 (12 Dec 1998) |
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| selenocysteine methyltransferase | <enzyme> Transfers methyl group from s-adenosylmethionine to the selenium atom of selenocysteine to form se-methyl-selenocysteine; plays a crucial role in conferring selenium tolerance; from astragalus bisculatus Registry number: EC 2.1.1.- Synonym: se-cys methyltransferase (26 Jun 1999) |
| site-specific DNA-methyltransferase (adenine-specific) | <enzyme> An enzyme responsible for producing a species-characteristic methylation pattern on adenine residues in a specific short base sequence in the host cell DNA. The enzyme catalyses the methylation of DNA adenine in the presence of s-adenosyl-l-methionine to form DNA containing 6-methylaminopurine and s-adenosyl-l-homocysteine. Registry number: EC 2.1.1.72 (12 Dec 1998) |
| site-specific DNA methyltransferase (cytosine-specific) | <enzyme> An enzyme responsible for producing a species-characteristic methylation pattern on cytosine residues in a specific short base sequence in the host cell's DNA. The enzyme catalyses the methylation of DNA cytosine in the presence of s-adenosyl-l-methionine to form s-adenosyl-l-homocysteine and DNA containing 5-methylcytosine. Registry number: EC 2.1.1.73 (12 Dec 1998) |
| sphingosine N-methyltransferase | <enzyme> Converts sphingosine to n,n-dimethylsphingosine Registry number: EC 2.1.1.- (26 Jun 1999) |
| N(2),N(2)-dimethylguanosine-26-methyltransferase | <enzyme> Catalyses the transfer of two methyl groups to guanosine at position 26 of trna; see also record for dmg trna methyltransferase Registry number: EC 2.1.1.- Synonym: trm1 gene product, n(2),n(2)-dimethylg26-methyltransferase, trm1p (26 Jun 1999) |
| N(2),N(2)-dimethylguanosine-specific tRNA methyltransferase | <enzyme> Responsible for the modification of both mitochondrial and cytoplasmic trnas Registry number: EC 2.1.1.- Synonym: dmg trna methyltransferase (26 Jun 1999) |
| N5-methyltetrahydrofolate:homocysteine methyltransferase | See: methionine synthase. (05 Mar 2000) |
| N-acylneuraminate 8-0-methyltransferase | <enzyme> Forms 8-0-methyl derivatives of n-acetylneuraminic acid and n-glycolylneuraminic acid Registry number: EC 2.1.1.- Synonym: neuac 8-methyltransferase, s-adenosylmethionine - n-acylneuraminate 8-0-methyltransferase (26 Jun 1999) |
| naringenin 7-O-methyltransferase | <enzyme> Catalyses conversion of naringenin to sakuranetin Registry number: EC 2.1.1.- (26 Jun 1999) |
| sterigmatocystin O-methyltransferase | <enzyme> Catalyses the conversion of sterigmatocystin (st) to o-methylsterigmatocystin (omst) and dihydro-st to dihydro-omst which takes place in the latter stages of aflatoxin biosynthesis Registry number: EC 2.1.1.- Synonym: st-omt, dihydro-st-omt, omta protein, omta gene product (26 Jun 1999) |
| NgoBVII methyltransferase | <enzyme> Isolated from neisseria gonorrhoeae; recognises the sequence 5'-gcngc-3' Registry number: EC 2.1.1.- Synonym: DNA methyltransferase ngobvii, ngobvii mtase, m.ngobvii (26 Jun 1999) |
| Dam methyltransferase | <enzyme> From E coli; recognises gatc sequences in E coli k12 DNA and methylates adenosine; not part of the modification system; has been sequenced Registry number: EC 2.1.1.- Synonym: eco dam methylase, p1 dam methylase, t4 dam methylase, t2 dam methylase, dam methylase, dam gene protein, k-12 DNA adenine methylase (26 Jun 1999) |
| delta 24-sterol methyltransferase | <enzyme> Substrate sterols may be replaced by specific sterol Registry number: EC 2.1.1.41 Synonym: s-adenosylmethionine zymosterol methyltransferase, s-adenosylmethionine-delta 24-sterol-c-methyltransferase, sterol c-24 s-adenosylmethionine methyltransferase, sed6 protein, erg6 protein, (s)-adenosyl-l-methionine-delta 24(25)-sterol methyltransferase (26 Jun 1999) |
| demethylmacrocin O-methyltransferase | <enzyme> Catalyses the conversion of demethylmacrocin at the 2''' oh position to macrocin as the penultimate step of tylosin biosynthesis in streptomyces fradiae Registry number: EC 2.1.1.- Synonym: demethylmacrocin o-mt, s-adenosyl-l-methionine-demethylmacrocin o-methyltransferase (26 Jun 1999) |