猪细小病毒VP2重组蛋白的诱导表达及表达产物的纯化
HEBEI XUMU SHOUYI(2018)
Abstract
将构建好的重组质粒转化宿主菌BL21,利用IPTG(1mmol/L)诱导实现了VP2蛋白主要抗原域的高效表达,表达产物经SDS-PAGE电泳鉴定其表达形式;经滤膜、饱和硫酸铵、Ni-NTA树脂层析进行纯化.结果表明:重组质粒得到高效诱导表达,并且重组蛋白以包涵体的形式存在;获得高纯度的重组蛋白.
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