通过对影响家族成员的LRP6基因测序，科学家发现了突变导致该基因产生的蛋白其中一个氨基酸替换了。

By sequencing the LRP6 gene in affected family members, the scientists found that the mutation caused the substitution of a single amino acid in the protein the gene produced.

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错义突变引起蛋白质中一个氨基酸变化的点突变。

Missense mutation a point mutation that causes a change in one amino acid of a protein.

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错义突变引起蛋白质中一个氨基酸变化的点突变。

Missense mutation a point mutation that causes a change in one amino acid of a protein.

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