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运用ＤＮＡ重组技术，将用ＲＴ－ＰＣＲ方法克隆的大鼠肾皮质受体相关蛋白３１９个氨基酸的核苷酸序列导入载体ｐＢｌｕｅｓｃｒｉｐｔ和表达载体ｐＧＥＸ中，分别构建了重组质粒ｐＢＳＫ９ＲＡＰ和ｐＧＥＸ－９ＲＨ７，转化入大肠杆菌ＸＬ１－Ｂｌｕｅ和ＤＨ５α中，经ＩＰＴＧ、ｘ－ｇａｌ和抗生素筛选阳性克隆，扩增后，重组质粒用限制性内切酶图谱分析及ＤＮＡ测序分析，证明插入子插入方向正确，表达阅读框架正确。
The nucleotide sequence of 319 amino acids of rat renal cortex receptor-related protein cloned by RT-PCR was introduced into vector pBluescript and expression vector pGEX by using DNA recombination technology. Recombinant plasmids pBSK9RAP and pGEX-9RH7 were constructed and transformed respectively The recombinant plasmids were screened by IPTG, x-gal and antibiotics. After amplification, the recombinant plasmids were confirmed by restriction enzyme analysis and DNA sequencing. The framework is correct.