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TRNA (guanine-N2-)-methyltransferase : ウィキペディア英語版 | TRNA (guanine-N2-)-methyltransferase
In enzymology, a tRNA (guanine-N2-)-methyltransferase () is an enzyme that catalyzes the chemical reaction :S-adenosyl-L-methionine + tRNA S-adenosyl-L-homocysteine + tRNA containing N2-methylguanine Thus, the two substrates of this enzyme are S-adenosyl methionine and tRNA, whereas its two products are S-adenosylhomocysteine and tRNA containing N2-Methylguanine. This enzyme belongs to the family of transferases, specifically those transferring one-carbon group methyltransferases. The systematic name of this enzyme class is S-adenosyl-L-methionine:tRNA (guanine-N2-)-methyltransferase. Other names in common use include transfer ribonucleate guanine 2-methyltransferase, transfer ribonucleate guanine N2-methyltransferase, transfer RNA guanine 2-methyltransferase, guanine-N2-methylase, and S-adenosyl-L-methionine:tRNA (guanine-2-N-)-methyltransferase. ==Structural studies==
As of late 2007, 3 structures have been solved for this class of enzymes, with PDB accession codes , , and .
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