用免疫共沉淀的方法鉴定 E4B 的相互作用蛋白质。

Co-immunoprecipitation was used to identify the interactive protein.

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对于蛋白质的结晶，沉淀剂主要在溶剂上产生作用。

For protein crystallization, the main impact of precipitant is on the solvent.

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聚乙二醇6000（PEG）是一种水溶性非离子聚合物，可使蛋白质发生沉淀作用，并且其对被沉淀的蛋白质有较好的选择性；

Polyethylene glycol 6000(PEG) is a kind of water soluble and non-ionic polymer. lt can make protein to precipitate and has a better alternative to precipitation of protein.

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