an N-acylneuraminate + CTP => a CMP-N-acyl-beta-neuraminate + diphosphate
an n-acylneuraminate + ctp => a cmp-n-acyl-beta-neuraminate + diphosphate
an N-acylneuraminate + CTP => a CMP-N-acyl-beta-neuraminate + diphosphate
an n-acylneuraminate + ctp => a cmp-n-acyl-beta-neuraminate + diphosphate