cytidine(34) in tRNA precursor + S-adenosyl-L-methionine <=> 5-methylcytidine(34) in tRNA precursor + S-adenosyl-L-homocysteine + H(+)
cytidine(34) in trna precursor + s-adenosyl-l-methionine <=> 5-methylcytidine(34) in trna precursor + s-adenosyl-l-homocysteine + h(+)
cytidine(34) in tRNA precursor + S-adenosyl-L-methionine <=> 5-methylcytidine(34) in tRNA precursor + S-adenosyl-L-homocysteine + H(+)
cytidine(34) in trna precursor + s-adenosyl-l-methionine <=> 5-methylcytidine(34) in trna precursor + s-adenosyl-l-homocysteine + h(+)