Journal
CHANNELS
Volume 5, Issue 5, Pages 385-388Publisher
TAYLOR & FRANCIS INC
DOI: 10.4161/chan.5.5.16466
Keywords
channelsome; transportsome; protein-protein interaction; signal transduction
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Channels and transporters play essential biological roles primarily through the transportation of ions and small molecules that are required to maintain cellular activities across the biomembrane. Secondary to transportation, channels and transporters also integrate and coordinate biological functions at different levels, ranging from the subcellular (nm) to multicellular (mu m) scales. This is underpinned by efficient functional coupling within molecular assemblies of channels, transporters, proteins, small molecules and lipids. Molecular interactions create local microenvironments that, in some cases, uniquely modify the functional properties of the channels and transporters. These molecular assemblies built around a transporter or channel (transportsomes and channelsomes) can be considered as physiological functional units. In this special issue, we provide an overview of recent progress in our understanding of protein-protein and molecular interactions in transportsomes and channelsomes, which occur through both direct molecular contacts and more distal functional coupling, and examine the validity of these somes.
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