3.同工酶 酶的结构 以乳酸脱氢酶为例 Lactate dehydrogenase DH AD 00 +(H+ 00 C C=0 CH 3 CH3 Pyruvate NAD Lactate 乳酸脱氢酶( actate dehydrogenase,LDH3. 同工酶 以乳酸脱氢酶为例 一.酶的结构 乳酸脱氢酶 (lactate dehydrogenase，LDH)