Classification of proteins - fibrous proteins, Chemistry

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Classification of proteins - Fibrous proteins

These are composed of polypeptide chains which run parallel to the axis and are held together by a strong hydrogen and disulphide bonds. They are able to be stretched and contracted like a thread. These are commonly insoluble in water. Instances are: α-keratin (hair, wool, silk and nails); myosin (muscles); collagen that is tendons, bones and so on.

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