将1号外显子、2号外显子以及1.6kb上游序列替换为通过同源重组插入的诺瓦克林选择标记。通过在纯合突变ES细胞中进行 Western blot 分析,未检测到蛋白质。(来源:J:86982)
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Exons 1 and 2 and 1.6 kb of upstream sequence were replaced with a neomycin selection cassette inserted by homologous recombination. Protein was undetected by Western blot analysis of homozygous mutant ES cells. (J:86982)