Weiss, Anthony S. Department of Biochemistry and Molecular Biotechnology, School of Life and Environmental Sciences, Charles Perkins Centre, University of Sydney, Sydney, Australia.
Last reviewed:December 2017
- Structure and properties
- Links to Primary Literature
- Additional Readings
A structural protein that provides elasticity to certain connective tissues, including lungs, ligaments, cartilage, and the walls of large blood vessels. Elastin (Fig. 1) is a cross-linked protein in the extracellular matrix that imparts long-lasting elasticity to many connective tissues in vertebrates. In particular, elastin allows tissues to be stretched in a rubberlike fashion, reaching several times their normal length; upon relaxation, elastin enables the stretched tissues to recoil back to their original shape. See also: Biomechanics; Blood vessel; Cartilage; Connective tissue; Elasticity; Ligament; Lung; Protein
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