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紫外-可见光谱法研究细胞色素C活性中心金属离子与硫酸铜的相互作用
引用本文:贾颖萍,郑学仿,胡皆汉.紫外-可见光谱法研究细胞色素C活性中心金属离子与硫酸铜的相互作用[J].光谱学与光谱分析,2001,21(1):54-56.
作者姓名:贾颖萍  郑学仿  胡皆汉
作者单位:1. 大连大学化学与化学工程系,
2. 大连大学化学与化学工程系;大连理工大学化工学院生物工程系
3. 中国科学院大连化学物理研究所,
摘    要:应用紫外-可见吸收光谱法研究细胞色素C(Fecyt-C)活性中心铁离在pH7.1的磷酸缓冲液中与无机CuSO4的直接相互作用。结果发现:CuSO4中的Cu(Ⅱ)与Fecyt-C中的Fe(Ⅱ)有交换作用,形成部分的Cucyt-C,并且随着外加CuSO4量的增加,这种相互作用增强,首次证实了细胞色素C这种直接相互作用的存在。

关 键 词:细胞色素C  硫酸铜  活性中心铁离子  紫外-可见吸收光谱  相互作用
修稿时间:2000年5月12日

Interaction between the Metal Ion in the Active Site of Cytochrome C and Copper Sulfate by Ultraviolet Spectroscopy
Yingping JIA,Xuefang ZHENG , and Jiehan HU.Interaction between the Metal Ion in the Active Site of Cytochrome C and Copper Sulfate by Ultraviolet Spectroscopy[J].Spectroscopy and Spectral Analysis,2001,21(1):54-56.
Authors:Yingping JIA  Xuefang ZHENG  and Jiehan HU
Institution:Department of Chemistry and Chemical Engineering, Dalian University, 116622 Dalian.
Abstract:The direct interaction between the metal ion in the active center of cytochrome C (Fecyt-C) and inorganic copper sulfate in pH 7.1 phosphate has been studied by UV spectrometry. As a result, part of the metal ion Fe(II) in Fecyt-C was replaced by Cu(II) and the corresponding cytochrome C derivatives Cucyt-C were produced, in addition, the interaction was increased with amount of copper sulfate added. The direct interaction between the CuSO4 and metal ion of cytochrome C was verified for the first time.
Keywords:Cytrochrome C    Copper sulfate    Ultraviolet absorption spectroscopy
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