INTERACTION OF COPPER IN CUZN-SUPEROXIDE DISMUTASE WITH HISTIDINE

被引：0
|
作者：
HU, JH
SHU, ZY
机构：
来源：
SCIENCE IN CHINA SERIES B-CHEMISTRY | 1994年 / 37卷 / 03期
关键词：
CUZN-SOD; HISTIDINE; ESR; NMR;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The interaction of CuZn-superoxide dismutase ( CuZn-SOD ) with the external histidine in aqueous solution has been studied in this work by ESR and NMR. It is found that the Cu(II) of CuZn-SOD makes an exchanging interaction with the external substance in aqueous solution. Unlike in solid state, the Cu (II) forms complex with external histidine, and keeps a motional equilibrium between the active centers and the complexes. Enzyme activity is also affected by this interaction. Some other amino acids are also discussed in this paper.
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页码：265 / 270
页数：6
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