preferred_name: rRNA (cytosine-N4-)-methyltransferase activity
preferred_name_lc: rrna (cytosine-n4-)-methyltransferase activity
label: a cytidine in rRNA + S-adenosyl-L-methionine = an N(4)-methylcytidine in rRNA + S-adenosyl-L-homocysteine + H(+)
label_lc: a cytidine in rrna + s-adenosyl-l-methionine = an n(4)-methylcytidine in rrna + s-adenosyl-l-homocysteine + h(+)