. . . . "N-acetylneuraminate + CTP → CMP-N-acetylneuraminate + diphosphate"^^ . "N-acetylneuraminate + CTP → CMP-N-acetylneuraminate + diphosphate"^^ . "2.7.7.43"^^ . . . . . . . . . "N-acetylneuraminate + CTP → CMP-N-acetylneuraminate + diphosphate"^^ . . . .