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

有一些全酶是高度复杂的，如脱氢酶。

In working skeletal muscle under anaerobic conditions, glyceraldehyde 3-phosphate is converted to pyruvate (the payoff phase of glycolysis), and the pyruvate is reduced to lactate .

骨骼肌在厌氧条件下工，3-甘油转变(糖酵解的收获阶段)，又转变乳。