2号、3号外显子和4部分被替换了抗氨苄青霉素抗性基因 cassette。对突变MEFs的 Western blot结果显示无蛋白表达。杂合子细胞表达量大约是野生型细胞的一半。(来源:J:100282)
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Exons 2, 3 and part of 4 were replaced with a neomycin resistance cassette. Western blot of mutant MEFs confirmed absence of protein. Heterozygotes expressed approximately half of that detected in wild-type cells. (J:100282)