From: Protein Structure
Copyright © 1994, Bruce Alberts, Dennis Bray, Julian
Lewis, Martin Raff, Keith Roberts, and James D Watson.
NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.
Alberts B, Bray D, Lewis J, et al. Molecular Biology of the Cell. 3rd edition. New York: Garland Science; 1994.
Molecular Biology of the Cell. 3rd edition.
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Figure 3-32Contrast between collagen and elastin
(A) Collagen is a triple helix formed by three extended protein chains that wrap around each other. Many rodlike collagen molecules are cross-linked together in the extracellular space to form inextensible collagen fibrils ( top) that have the tensile strength of steel. (B) Elastin polypeptide chains are cross-linked together to form elastic fibers. Each elastin molecule uncoils into a more extended conformation when the fiber is stretched. The striking contrast between the physical properties of elastin and collagen is due entirely to their very different amino acid sequences.
- Figure 3-32, Contrast between collagen and elastin - Molecular Biology of the Ce...Figure 3-32, Contrast between collagen and elastin - Molecular Biology of the Cell
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