cytidine(2278) in 25S rRNA + S-adenosyl-L-methionine => 5-methylcytidine(2278) in 25S rRNA + S-adenosyl-L-homocysteine + H(+)
cytidine(2278) in 25s rrna + s-adenosyl-l-methionine => 5-methylcytidine(2278) in 25s rrna + s-adenosyl-l-homocysteine + h(+)
cytidine(2278) in 25S rRNA + S-adenosyl-L-methionine => 5-methylcytidine(2278) in 25S rRNA + S-adenosyl-L-homocysteine + H(+)
cytidine(2278) in 25s rrna + s-adenosyl-l-methionine => 5-methylcytidine(2278) in 25s rrna + s-adenosyl-l-homocysteine + h(+)