Modomics - A Database of RNA Modifications
aTrm56 from Pyrococcus abyssi - protein summary.
Position of modification - modification:
t:56 - Cm
Contains SPOUT S-adenosylmethionine (AdoMet)-dependent methyltransferase domain which is also found in bacterial and yeast G18 tRNA 2'-O-methylases (SpoU, Trm3). Cm56 tRNA methylation is present only in archaea. In some species it is provided by a C/D sRNP.
The Cm56 tRNA modification in archaea is catalyzed either by a specific 2'-O-methylase, or a C/D sRNP.
Renalier MH, Joseph N, Gaspin C, Thebault P, Mougin A
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