集胞藻核亚基 ApcD 及其复合物功能研究
摘要
体捕获的光能高效传递至光反应中心的过程中起着关键的作用。由于 ApcD 是低丰度蛋白,在集胞藻中表达量极低,目前大都是
从大肠杆菌中提取 ApcD 重组蛋白,但研究表明在大肠杆菌中很难实现 ApcD、ApcA、ApcB 复合物的共表达。本研究运用基因工程
和分子生物学等技术,首次分离纯化得到 ApcD、ApcB 与 ApcA 的天然复合物,实现了天然藻胆体核复合物的分离纯化,并分析了
该天然复合物的生物化学特性。
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