Functional solubilization of aggregation-prone TRAIL protein facilitated by coexpressing with protein isoaspartate methyltranferase.
[No authors listed]
摘要
TRAIL was a tumor-specific protein in development as a novel anticancer therapeutic agent. Generally, when expressed in recombinant Escherichia coli, TRAIL protein was prone to form inclusion bodies. In this study, coexpression of human TRAIL protein and protein isoaspartate methyltranferase (PIMT) from E. coli on plasmid pBV-TRAIL-PCM in E. coli C600 was investigated to overcome the difficulties in soluble expression. The results showed that this PIMT coexpression strategy exerted a positive effect on the TRAIL protein expression in recombinant E. coli, which led to a mean increase in the intracellular concentration of soluble and total protein of TRAIL by 1.57-fold and 1.33-fold, respectively. At the same time, results also suggested that PIMT was a prospective partner for soluble expression of TRAIL protein.
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基因功能
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原始数据
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文献解读
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