This volume summarizes our current understanding of the structural basis of the functions of arrestin family of proteins. Arrestins were first discovered as key players in the desensitization of G protein-coupled receptors (GPCRs). Recent studies showed that arrestins are important signal transducers in their own right, organizing multi-protein complexes and scaffolding numerous signaling cascades that regulate cell proliferation, differentiation, and apoptotic death.
Here arrestin functions are described primarily from the structural prospective. The book covers basal structure of arrestin proteins, receptor binding-induced conformational changes in arrestins, as well as the structure of "pre-activated" mutants. Particular focus is on the arrestin elements interacting with numerous binding partners, GPCRs and cytoplasmic signaling proteins. We expect that this information and insights will help to understand and exploit the phenomenon of signaling bias, which is a new promising direction in drug discovery.Les informations fournies dans la section « Synopsis » peuvent faire référence à une autre édition de ce titre.
Dr. Gurevich got his PhD in Bioorganic Chemistry at the Shemyakin Institute in Moscow. He studied structure and function of arrestin proteins since he joined the lab of Dr. Benovic as a post-doc in 1991. Dr. Gurevich's studies revealed why arrestins prefer active phosphorylated GPCRs and how they sense receptor-attached phosphates. His lab constructed phosphorylation-independent arrestin mutants and tested their ability to compensate for the defects of GPCR phosphorylation. His lab elucidated the structural basis of arrestin preference for particular GPCRs and constructed the first non-visual arrestins with high receptor specificity. In collaboration with different crystallographers Dr. Gurevich's lab solved the structures of all four vertebrate arrestins in basal conformation and the structure of the arrestin-rhodopsin complex.
Les informations fournies dans la section « A propos du livre » peuvent faire référence à une autre édition de ce titre.
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