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酵母双杂交随机肽库的设计及构建 被引量:3

Design and Construction of a Random Peptide Library with Yeast Two-Hybrid System
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摘要 构建一个含16个氨基酸的酵母双杂交随机肽库,设计合成编码16肽的随机DNA片段,PCR扩增随机DNA片段,经限制性内切酶BamHI和EcoRI酶切后克隆入酵母表达质粒pGADT7GH,构建酵母双杂交随机肽库质粒pGADT7GH-RP并检验其库容。结果表明,扩增获得编码16肽的随机DNA片段,并成功将随机DNA片段克隆入酵母表达质粒pGADT7GH,与GAL4AD形成融合蛋白,其库容为1.28×107。从而成功地构建了酵母双杂交随机肽库。 To construct a peptide library composed of 16 random amino acids with yeast twohybrid system,random oligonucleotides encoded with 16 peptides were designed and artificially synthesized,and random oligonucleotides were amplified by PCR. The amplified products after being digested with BamH I and EcoR I were checked into plasmid pGADT7GH to construct the library plasmids pGADT7GHRP.Then the number of different recombinants were identified.The random oligonucleotides encoded with 16 peptides were obtained and inserted into pGADT7GH,and became GAL4 ADRP fusion protein.The random peptide library with 1.28×107 different recombinant clones was successfully constructed.
出处 《动物医学进展》 CSCD 2003年第2期61-63,共3页 Progress In Veterinary Medicine
基金 国家重点基础研究规划项目(G1999054203) 国家自然科学基金资助项目(30080009) 重庆市科委基金项目(2000-6319)
关键词 酵母双杂交随机肽库 设计 构建 酵母双杂交肽库筛选系统 蛋白质 random peptide library yeast two-hybrid system pGADT_7 GH
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