Entry
Name
tRNA (guanine10-N2)-dimethyltransferase;
PAB1283;
N(2),N(2)-dimethylguanosine tRNA methyltransferase;
Trm-G10;
PabTrm-G10;
PabTrm-m2 2G10 enzyme
Class
Transferases;
Transferring one-carbon groups;
Methyltransferases
BRITE hierarchy
Sysname
S-adenosyl-L-methionine:tRNA (guanine10-N2)-dimethyltransferase
Reaction(IUBMB)
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
Substrate
S-adenosyl-L-methionine [CPD:
C00019 ];
guanine10 in tRNA;
N2-methylguanine10 in tRNA
Product
S-adenosyl-L-homocysteine [CPD:
C00021 ];
N2-dimethylguanine10 in tRNA;
N2-methylguanine10 in tRNA
History
EC 2.1.1.213 created 2011 (EC 2.1.1.32 created 1972, part transferred 2011 to EC 2.1.1.213)
Orthology
K07446 tRNA (guanine10-N2)-dimethyltransferase
Genes
MFI : DSM1535_0119(trmG10)
» show all
Taxonomy
Reference
Authors
Armengaud J, Urbonavicius J, Fernandez B, Chaussinand G, Bujnicki JM, Grosjean H
Title
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.
Journal
Sequence
Other DBs
ExPASy - ENZYME nomenclature database: 2.1.1.213