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蛋白质修饰反应动力学。在所有可修饰基团对酶活性均至关重要的情况下,酶活性分数与蛋白质修饰程度的关系图。

Kinetics of protein modification reactions. Plot of fractional enzyme activity versus extent of protein modification in cases where all modifiable groups are essential for enzyme activity.

作者信息

Rakitzis E T

出版信息

Biochem J. 1984 Oct 1;223(1):259-62. doi: 10.1042/bj2230259.

Abstract

The plot of fractional enzyme activity versus extent of protein modification, for cases where all enzyme modifiable groups of a certain kind are essential for activity, is found to be nearly independent of the number, per enzyme active site, of modifiable groups involved. Such plots usually, by a fallacious extension of the initial portion of the plot on the extent-of-modification axis, are interpreted to mean the modification of one single group per enzyme active site (or per enzyme molecule). The possible relevance of these findings to cases in the literature is discussed.

摘要

对于某类所有可被修饰的酶基团对活性都至关重要的情况,酶活性分数与蛋白质修饰程度的关系图被发现几乎与每个酶活性位点所涉及的可修饰基团数量无关。通常,通过在修饰程度轴上对关系图初始部分进行错误的延伸,这些关系图被解释为意味着每个酶活性位点(或每个酶分子)有一个单一基团被修饰。文中讨论了这些发现与文献中相关案例的可能关联性。

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Kinetics of protein modification reactions.蛋白质修饰反应的动力学
Biochem J. 1984 Jan 15;217(2):341-51. doi: 10.1042/bj2170341.

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