Exons 2和3被替换成lacZ/neo载体,通过脑组织提取物的 Western blot分析确认了没有蛋白质产物产生。这是一项无蛋白产生基因(null allele)和报告基因(reporter allele)的实验(来源:J:136385)。
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Exons 2 and 3 were replaced with a lacZ/neo cassette. The absence of protein product was confirmed by western blot anlaysis on brain extracts. This is a null allele and a reporter allele. (J:136385)