外显子2(包含起始密码子ATG)通过同源重组被lacZ-neo cassette替换了。 Western blot分析证实了纯合突变大脑中无蛋白表达。(来源:J:222100)
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Exon 2 (containing the start codon ATG) was replaced with a lacZ-neo cassette via homologous recombination. Western blot analysis confirmed the absence of protein expression in homozygous mutant brains. (J:222100)