an N(4)-acetylcytidine in 18S rRNA + ADP + phosphate + CoA + H(+) => a cytidine in 18S rRNA + acetyl-CoA + ATP + H2O
an n(4)-acetylcytidine in 18s rrna + adp + phosphate + coa + h(+) => a cytidine in 18s rrna + acetyl-coa + atp + h2o
an N(4)-acetylcytidine in 18S rRNA + ADP + phosphate + CoA + H(+) => a cytidine in 18S rRNA + acetyl-CoA + ATP + H2O
an n(4)-acetylcytidine in 18s rrna + adp + phosphate + coa + h(+) => a cytidine in 18s rrna + acetyl-coa + atp + h2o