The 35,000 Dal protein has been identified as lactate dehydrogenase and malate dehydrogenase,the 43,000 Dal protein is adenosine kinase,and the 40,000 Dal protein might be S-adenosylhomocysteine hy-drolase.

• 现已证明,35,000Dal蛋白质是乳酸脱氢酶及苹果酸脱氢酶,43,000Dal蛋白质是腺苷激酶,46,000Dal蛋白质可能是S-腺苷同型半胱氨酸水解酶。