BIOCHEMISTRY A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z           HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site 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. They 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 Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP