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[与蛋白质结合的色素的光谱和光化学性质]

[Spectroscopic and photochemical properties of pigments bound to proteins].

作者信息

Zen'kevich E I, Kochubeev G A, Kul'ba A M

出版信息

Biofizika. 1981 May-Jun;26(3):389-93.

PMID:7260148
Abstract

Using gel-filtration and spectral-luminescent analysis properties of artificial chlorophyll-protein and chlorine-protein complexes on the basis of human serum albumin (HSA) were analysed. It has been shown that formation of joint complexes pigments - HSA does not induce essential changes in the spectral and energetic parameters of the pigment part of the complex. A change in the rate of photosensitized reduction of methylviologen (sensitizer-pigment) was found during the variation of the relative content of the pigment mixed with HSA. An increase of the photoreaction rate during maximal filling of the protein globule with pigment molecules is explained by different pattern of incorporation of these molecules into protein matrix.

摘要

利用凝胶过滤和光谱发光分析,对基于人血清白蛋白(HSA)的人工叶绿素 - 蛋白质和氯 - 蛋白质复合物的性质进行了分析。结果表明,色素 - HSA联合复合物的形成并未引起复合物色素部分光谱和能量参数的显著变化。在与HSA混合的色素相对含量变化期间,发现甲基紫精(敏化剂 - 色素)的光敏还原速率发生了变化。在色素分子最大程度填充蛋白质球时光反应速率的增加,是由于这些分子掺入蛋白质基质的方式不同所解释的。

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