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群体感应淬灭酶LsrK蛋白表达纯化

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摘要 对群体感应淬灭酶LsrK蛋白进行重组表达及纯化。构建重组工程菌Escherichia coli BL21(DE3)-pET-28a-lsrK,利用乳糖自诱导的方法诱导表达重组蛋白LsrK,并利用亲和层析和凝胶过滤层析进行纯化。LsrK蛋白经凝胶过滤层析后,纯度较高,蛋白浓度达到28.6mg/L发酵液,为进一步进行LsrK蛋白的结构解析及功能研究奠定了基础。
出处 《轻工科技》 2019年第8期20-21,共2页 Light Industry Science and Technology
基金 大连民族大学2018年大学生创新创业训练计划项目(201812026013)
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