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来自维基百科,自由的百科全书
孔蛋白(Porin),又称通道结合蛋白,是一种拥有β折叠结构的跨膜蛋白。与其他膜输送蛋白不同,孔蛋白拥有β折叠片组成的桶状结构,这使得拥有浓度差的分子能够进行被动扩散,常发现于线粒体,革兰氏阴性菌与叶绿体的表面 [1]。
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