在exon 2中插入了一个诺美西林 cassette,替换了该基因中高度保守的区域。用 Western 分析法在纯合突变动物的纤维细胞培养物中未检测到蛋白质。(来源:J:27389)
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A neomycin cassette was inserted into exon 2, replacing a highly conserved region of the gene. Protein was not detectable by Western analysis in fibroblast cultures from homozygous mutant animals. (J:27389)