Cell communication using intrinsically disordered proteins: what can syndecans say?
2015
Because intrinsically disordered proteins are incapable of forming unique tertiary structures in isolation, their interaction with partner structures enables them to play important roles in many different biological functions. Therefore, such proteins are usually multifunctional, and their ability to perform their major function, as well as accessory functions, depends on the characteristics of a given interaction. The present paper demonstrates, using predictions from two programs, that the transmembrane proteoglycans syndecans are natively disordered because of their diverse functions and large number of interaction partners. Syndecans perform multiple functions during development, damage repair, tumor growth, angiogenesis, and neurogenesis. By mediating the binding of a large number of extracellular ligands to their receptors, these proteoglycans trigger a cascade of reactions that subsequently regulate various cell processes: cytoskeleton formation, proliferation, differentiation, adhesion, and migrat...
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