a 5-methylcytidine in 26S rRNA + S-adenosyl-L-homocysteine + H(+) => a cytidine in 26S rRNA + S-adenosyl-L-methionine
a 5-methylcytidine in 26s rrna + s-adenosyl-l-homocysteine + h(+) => a cytidine in 26s rrna + s-adenosyl-l-methionine
a 5-methylcytidine in 26S rRNA + S-adenosyl-L-homocysteine + H(+) => a cytidine in 26S rRNA + S-adenosyl-L-methionine
a 5-methylcytidine in 26s rrna + s-adenosyl-l-homocysteine + h(+) => a cytidine in 26s rrna + s-adenosyl-l-methionine