The alpha helix is found in muscle protein and keratin.

α螺旋存在于肌肉蛋白和角蛋白中.

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Alpha helix A highly stable structure in which peptide chains are coiled to form a spiral.

螺旋:蛋白质多肽链本身的折叠和盘绕的方式.

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If the alpha helix is astretched the hydrogen bonds are broken but reform on relaxation.

如果螺旋中的氢键被破坏,螺旋的稳定就不能维持.

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