通过密码子优化及两步法将来自λ噬菌体切除酶基因Xis在体外合成,然后克隆到带有类泛素蛋白SUMO标签的定向原核表达载体SUMO-pETG上,测序正确后,然后转化至E.coli BL21( DE3)细胞可溶性表达.经SDS-PAGE及质谱检测证实表达蛋白确实为目的蛋白.该研究通过融合表达λ噬菌体切除酶Xis不仅解除了Xis对E.coli宿主细胞的毒害...
题目Du Fan planned to go to Harbin,the capital city of Northeast China's Heilongjiang Province,which is known for its snow and ice sculptures(雕刻),during the Spring Festival holiday.Born and raised in Wuhan,the capital of Hubei Province,he dreamed about going there to enjoy...
4.Fujian is ___ the southeast of Hubei.5.Xining is in the ___ of Qinghai.6.Guilin is ___ the southwest of Changsha.7.Inner Mongolia is ___ the north of China.8.Yantai is an ___ city of China.9.Gansu is a ___ province of China.10.Guizhou is ___ the west of Hunan and ...
Beijing Opera is also called Peking Opera.. It came into being after 1790 when the famous four Anhui opera troupe(戏班) came to Beijing. Its music and singing(唱腔) came from Xipi and Er-huang in Anhui and Hubei. Its costtumes are all fascinating and artistic.It is the highest expressio...
消息 loading..xProducts Post My RFQ Home Video Channel What is HOWO 8000liter 4*2 Foam Water Tank Tanker Fire Fighting Rescue Engine Fire Truck Price Manufacturer HOWO Fire Truck US$29,800.00-39,990.00 / Piece View Recommend for you W...
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