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TRNA (cytidine34-2'-O)-methyltransferase : ウィキペディア英語版 | TRNA (cytidine34-2'-O)-methyltransferase
tRNA (cytidine34-2'-O)-methyltransferase (, ''yibK (gene)'', ''methyltransferase yibK'', ''TrmL'', ''tRNA methyltransferase L'', ''tRNA (cytidine34/5-carboxymethylaminomethyluridine34-2'-O)-methyltransferase'') is an enzyme with system name ''S-adenosyl-L-methionine:tRNA (cytidine34/5-carboxymethylaminomethyluridine34-2'-O)-methyltransferase''. This enzyme catalyses the following chemical reaction : (1) S-adenosyl-L-methionine + cytidine34 in tRNA S-adenosyl-L-homocysteine + 2'-O-methylcytidine34 in tRNA : (2) S-adenosyl-L-methionine + 5-carboxymethylaminomethyluridine34 in tRNALeu S-adenosyl-L-homocysteine + 5-carboxymethylaminomethyl-2'-O-methyluridine34 in tRNALeu The enzyme from ''Escherichia coli'' catalyses the 2'-O-methylation of cytidine or 5-carboxymethylaminomethyluridine at the wobble position at nucleotide 34 in tRNALeuCmAA and tRNALeucmnm5UmAA. == References ==
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