The Enzyme Database

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Accepted name: tRNA (guanine10-N2)-dimethyltransferase
Reaction: 2 S-adenosyl-L-methionine + guanine10 in tRNA = 2 S-adenosyl-L-homocysteine + N2-dimethylguanine10 in tRNA (overall reaction)
(1a) S-adenosyl-L-methionine + guanine10 in tRNA = S-adenosyl-L-homocysteine + N2-methylguanine10 in tRNA
(1b) S-adenosyl-L-methionine + N2-methylguanine10 in tRNA = S-adenosyl-L-homocysteine + N2-dimethylguanine10 in tRNA
Other name(s): PAB1283; N(2),N(2)-dimethylguanosine tRNA methyltransferase; Trm-G10; PabTrm-G10; PabTrm-m2 2G10 enzyme
Systematic name: S-adenosyl-L-methionine:tRNA (guanine10-N2)-dimethyltransferase
Links to other databases: BRENDA, EXPASY, Gene, KEGG, MetaCyc, PDB
1.  Armengaud, J., Urbonavicius, J., Fernandez, B., Chaussinand, G., Bujnicki, J.M. and Grosjean, H. N2-Methylation of guanosine at position 10 in tRNA is catalyzed by a THUMP domain-containing, S-adenosylmethionine-dependent methyltransferase, conserved in Archaea and Eukaryota. J. Biol. Chem. 279 (2004) 37142–37152. [DOI] [PMID: 15210688]
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