Exon 3被插入了一个floxed neo cassette导致了中断。检测到了少量剪切后mRNA转录本。 Western blot结果显示,纯合子肝脏中没有蛋白质表达。因此,这应是一个无功能基因。(来源:J:133919)
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Exon 3 was disrupted by insertion of a floxed neo cassette. Low levels of a truncated mRNA transcript are detected. Western blot analysis confirmed the absence of protein in homozygous livers. Therefore, this is a null allele. (J:133919)