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1·They found that the p53 gene makes not only the well-established p53 protein, but also an alternative control switch variation of the p53 protein - known as an isoform.

他们发现p53基因不仅产生大家熟知的p53蛋白质，同时还产生一种p53蛋白质变换“控制开关”的变种——对碘氧基苯甲醚。