ID 2.1.1.225 DE tRNA:m(4)X modification enzyme. CA (1) cytidine(4) in tRNA(Pro) + S-adenosyl-L-methionine = 2'-O- CA methylcytidine(4) in tRNA(Pro) + H(+) + S-adenosyl-L-homocysteine. CA (2) cytidine(4) in tRNA(Gly)(GCC) + S-adenosyl-L-methionine = 2'-O- CA methylcytidine(4) in tRNA(Gly)(GCC) + H(+) + S-adenosyl-L-homocysteine. CA (3) adenosine(4) in tRNA(His) + S-adenosyl-L-methionine = 2'-O- CA methyladenosine(4) in tRNA(His) + H(+) + S-adenosyl-L-homocysteine. CC -!- The enzyme from Saccharomyces cerevisiae 2'-O-methylates cytidine(4) CC in tRNA(Pro) and tRNA(Gly)(GCC), and adenosine(4) in tRNA(His). DR Q6BP10, TRM13_DEBHA; Q54BD5, TRM13_DICDI; Q75AT3, TRM13_EREGS; DR Q9NUP7, TRM13_HUMAN; Q6CP50, TRM13_KLULA; Q8BYH3, TRM13_MOUSE; DR Q10B19, TRM13_ORYSJ; A3LXS6, TRM13_PICST; Q9UTH1, TRM13_SCHPO; DR A7TSF4, TRM13_VANPO; Q6C4F8, TRM13_YARLI; Q12383, TRM13_YEAST; //