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植物血凝素的生物学功能与应用指南
植物血凝素(Phytohemagglutinin, PHA)是指从红芸豆(Phaseolus Vulgaris)中提取的一种菜豆类凝集素。它是由4个亚基通过非共价键结合形成的四聚体糖蛋白,包含两种亚基分子,L亚基(白细胞凝集素)和E(红细胞凝集素),含有5种异构体(L4,L3E1,L2E2,L1E3 和E4)。
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