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Construction of Prokaryotic Expression Vector of Melittin-SP94 and Purification
Author(s): ZHANG Hong-xu, Cao Jing, ZHOU Qing-feng, ZHAO Peng, JIN Bai-jie, WANG Ya-wei, LIU Qi, LI Cheng-wei
Pages: 122-
125
Year: 2011
Issue:
3
Journal: Journal of Henan Normal University(Natural Science)
Abstract: 用可以特异结合到肝癌细胞膜上的小肽SP94,与蜂毒素连接,构建重组表达载体pET32a-蜂毒素-SP94.转入大肠杆菌BL21(DE3),IPTG诱导表达,SDS-PAGE检测表达结果,产物经Ni-NTA Agrosc亲和层析柱纯化后进行Tricine-SDS-PAGE检测.重组蛋白在大肠杆菌中高效表达,约占细胞总蛋白的30%,超声破碎后50%的目的蛋白以可溶性形式存在,纯化后获得高纯度蛋白.本实...
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