fibrous proteins

The keratin in hair is a fibrous protein

Proteins that tend to be insoluble and strong and so play a structural role in organisms for support or protection. Fibrous proteins can be subdivided into several different types:

keratins, found in hair, fingernails, and bird feathers

collagens – the most abundant proteins in a vertebrate body – found in connective tissues such as cartilage

elastins, found in ligaments, around blood vessels.

Fibrous proteins are one of two main types of protein that have a quaternary structure; the other are globular proteins.

Related category

• BIOCHEMISTRY

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Encyclopedia of Alternative Energy & Sustainable Living
Encyclopedia of History

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