PMID: 25730967Mar 4, 2015Paper

Functional interactions of Na,K-ATPase with molecular environment

Biofizika
I I Krivoĭ

Abstract

The present review covers the analysis of research in the field of intermolecular interactions of Na,K-ATPase which underlie novel cellular regulatory mechanisms. The capability of Na,K-ATPase to form multimolecular regulatory complexes and take part as a scaffolding protein in formation of cell functional and signaling microcompartments is considered. Particular attention is directed to membrane lipid microdomains (rafts, caveolae). Mechanisms of signaling and neuroprotective functions of Na,K-ATPase as well as the involvement of endogenous cardiotonic steroids in their realization are discussed. This review demonstrates novel data on functional interactions of Na,K-ATPase with neurotransmitter receptors and other proteins involved in regulation of synaptic transmission.

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