1.Some holoenzymes, such as pyruvate dehydrogenase, are highly compex, with several cofactors.

1.有一些全是高度复杂的，如脱氢。

2.When a catalytically active enzyme forms a complex with a cofactor a holoenzyme is produced.

2.蛋白和助子两者结合成完整分子时，形成具有活力的全。