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人泛素偶联酶UBE2C/UbcH10基因的克隆、原核表达载体的构建及表达

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摘要 目的获取泛素偶联酶家族成员之一的UBE2C/UbcH10的基因,构建具有His标签的原核表达载体,在大肠杆菌中表达UBE2C/UbcH10蛋白。方法利用RT-PCR的方法从肝癌细胞HepG2中获得UbcH10的基因,克隆到pMD-19T载体中并测序鉴定,酶切回收后插入原核表达载体pET32a(+)中,构建重组表达载体pET32a-UbcH10,转化大肠杆菌BL21,经IPTG诱导表达。结果重组表达载体pET32a-UbcH10在大肠杆菌BL21中经IPTG诱导4h获得稳定高效的融合表达。重组蛋白以可溶形式存在,大小在29.0kD左右。结论UbcH10重组表达载体的成功构建以及重组蛋白的表达,为进一步其结构和功能的研究奠定了基础,有望揭示该蛋白在癌症发生发展过程中的作用。
出处 《广东医学》 CAS CSCD 北大核心 2009年第5期698-700,共3页 Guangdong Medical Journal
基金 国家高技术研究发展计划(863)资助项目(编号:2006AA02A311)
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