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质谱法蛋白测序

(2012-11-05 16:28:11)
标签:

一级结构

蛋白质

氨基酸

测序

教育

分类: 抗体

概念

  当前,所谓蛋白质测序,主要指的是蛋白质的一级结构的测定。蛋白质的一级结构(Primary structure)包括组成蛋白质的多肽链数目。很多场合多肽和蛋白质可以等同使用。多肽链的氨基酸顺序,它是蛋白质生物功能的基础。
  蛋白质氨基酸顺序的测定是蛋白质化学研究的基础。自从1953年F.Sanger测定了胰岛素的一级结构以来,现在已经知道约十万个不同蛋白质的一级结构。

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