cytidine(1402) in 16S rRNA + S-adenosyl-L-methionine = N(4)-methylcytidine(1402) in 16S rRNA + S-adenosyl-L-homocysteine + H(+)
cytidine(1402) in 16s rrna + s-adenosyl-l-methionine = n(4)-methylcytidine(1402) in 16s rrna + s-adenosyl-l-homocysteine + h(+)
"16S rRNA (cytosine(1402)-N(4))-methyltransferase"
"16s rrna (cytosine(1402)-n(4))-methyltransferase"