N-acetylneuraminate + acetate + H(+) => N-acetyl-4-O-acetylneuraminate + H2O
n-acetylneuraminate + acetate + h(+) => n-acetyl-4-o-acetylneuraminate + h2o
N-acetylneuraminate + acetate + H(+) => N-acetyl-4-O-acetylneuraminate + H2O
n-acetylneuraminate + acetate + h(+) => n-acetyl-4-o-acetylneuraminate + h2o