The typeⅠhair keratin and IRS keratin genes are conservative in the number of introns.
Ⅰ型毛角蛋白和IRS角蛋白基因的内含子数目均保守。
参考来源 - 哺乳动物Ⅰ型毛角蛋白及IRS角蛋白基因的分子进化Processing of oxidized natural bamboo fiber modification with wool keratin was studied.
研究羊毛角蛋白对氧化竹原纤维改性的工艺。
参考来源 - 羊毛角蛋白对氧化竹原纤维改性的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
N a fibrous protein that occurs in the outer layer of the skin and in hair, nails, feathers, hooves, etc 角蛋白
In fact, it's keratin which makes them flexible and without it they would be very rigid.
实际上，是角蛋白使它们变得富有弹性，并且没有角蛋白的话，它们会变得非常坚硬。
Now hair, whatever it is for and wherever it is on the human body, is composed mainly of a protein called keratin.
不管毛发是用来做什么的，也不管它在人体的哪个部位，它都主要由一种叫做角蛋白的蛋白质组成。
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。
Scientists in the Washington area have been working with keratin, the main substance in poultry feathers.
VOA: special.2010.06.01
Working at the leading edge of research on cellular biology and genetic skin disorders, Fuchs was the first to precisely describe keratins - the principal structural proteins of skin cells - and identify diseases caused by mutations in the keratin gene.
VOA: standard.2010.03.29
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