红细胞的衰老。十八。乙酰胆碱酯酶动力学性质的变化。
Aging of the erythrocyte. XVIII. Changes in kinetic properties of acetylcholinesterase.
作者信息
Grzelińska E, Bartosz G, Bartkowiak A
出版信息
Enzyme. 1983;30(2):95-8. doi: 10.1159/000469556.
PMID:6617629
Abstract
Comparison of kinetic properties of acetylcholinesterase in membrane preparations from various density (age) fractions of bovine erythrocytes revealed in increase in Km value, ascribed to decrease in membrane surface potential, with increasing cell age. Activation energy of the enzyme decreased during red cell aging.
摘要
对来自牛红细胞不同密度（年龄）组分的膜制剂中乙酰胆碱酯酶的动力学特性进行比较发现，随着细胞年龄的增加，归因于膜表面电位降低的Km值增加。在红细胞衰老过程中，该酶的活化能降低。
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