MBB 324 Chapter Notes - Chapter 4: Alanine, Cysteine, Rhine Research Center
7 Nov 2015
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The structure and function of fibrous proteins (chapter 4) There are four major types of proteins: globular proteins, fibrous proteins, membrane proteins, and inherently. Fibrous proteins: a protein with an elongated shape, which forms rod-like shapes and exist as inert structural or. Three major common characteristics of fibrous proteins are the following: provide strength and rigidity to cells and tissues, fibrous proteins are generally water-insoluble, lack a true tertiary structure, alpha ( ) keratin. The class of proteins, keratin, are found in hair, feathers, scales, nails, or hooves of animals. There are two major categories of keratin: Beta ( ) keratin: found in birds and reptiles (feathers, scales) and contain a higher proportion of. Keratin are analogs of fibroin structures found in spiders and silkworms. Alpha ( ) keratin: found in mammals (hair, nails, hooves) and is commonly formed by the.
