TRNA (adenine9-N1)-methyltransferase

TRNA (adenine9-N1)-methyltransferase (EC 2.1.1.218, Trm10p, tRNA(m1G9/m1A9)-methyltransferase, tRNA(m1G9/m1A9)MTase, TK0422p (gene), tRNA m1A9-methyltransferase, tRNA m1A9 Mtase) is an enzyme with systematic name S-adenosyl-L-methionine:tRNA (adenine9-N1)-methyltransferase.[1] This enzyme catalyses the following chemical reaction

S-adenosyl-L-methionine + adenine9 in tRNA S-adenosyl-L-homocysteine + N1-methyladenine9 in tRNA
TRNA (adenine9-N1)-methyltransferase
Identifiers
EC number2.1.1.218
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

The enzyme from Sulfolobus acidocaldarius specifically methylates adenine9 in tRNA.

References

  1. Kempenaers M, Roovers M, Oudjama Y, Tkaczuk KL, Bujnicki JM, Droogmans L (October 2010). "New archaeal methyltransferases forming 1-methyladenosine or 1-methyladenosine and 1-methylguanosine at position 9 of tRNA". Nucleic Acids Research. 38 (19): 6533–43. doi:10.1093/nar/gkq451. PMC 2965216. PMID 20525789.
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