RGD Reference Report - RACK1 has the nerve to act: structure meets function in the nervous system. - Rat Genome Database

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RACK1 has the nerve to act: structure meets function in the nervous system.

Authors: Sklan, EH  Podoly, E  Soreq, H 
Citation: Sklan EH, etal., Prog Neurobiol. 2006 Feb;78(2):117-34. Epub 2006 Feb 2.
RGD ID: 5143918
Pubmed: PMID:16457939   (View Abstract at PubMed)
DOI: DOI:10.1016/j.pneurobio.2005.12.002   (Journal Full-text)

The receptor for activated protein kinase C 1 (RACK1) is an intracellular adaptor protein. Accumulating evidence attributes to this member of the tryptophan-aspartate (WD) repeat family the role of regulating several major nervous system pathways. Structurally, RACK1 is a seven-bladed-beta-propeller, interacting with diverse proteins having distinct structural folds. When bound to the IP3 receptor, RACK1 regulates intracellular Ca2+ levels, potentially contributing to processes such as learning, memory and synaptic plasticity. By binding to the NMDA receptor, it dictates neuronal excitation and sensitivity to ethanol. When bound to the stress-induced acetylcholinesterase variant AChE-R, RACK1 is implicated in stress responses and behavior, compatible with reports of RACK1 modulations in brain ageing and in various neurodegenerative diseases. This review sheds new light on both the virtues and the variety of neuronal RACK1 interactions and their physiological consequences.


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