糖磷脂酰肌醇(英语:Glycosylphosphatidylinositol,pronunciation),或 glycophosphatidylinositol糖基磷脂酰肌醇,缩写 GPI)是一个短链糖脂,可以连接到蛋白质C端,作为一种转译后修饰。含有GPI的蛋白质可以锚定在细胞膜上,在各种各样的生物过程中发挥关键作用。[1] 它是通过磷脂酰肌醇基团与连接,再通过磷酸乙醇胺(EtNP)桥接到蛋白质C端的氨基酸残基上。两个疏水性磷脂酰脂肪酸长链用于锚定到细胞膜中。

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磷脂酰肌醇的结构
Quick Facts GPI synthesis components, 鉴定 ...
GPI synthesis components
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标志GPI
膜蛋白数据库英语Membranome327
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