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Unzipping Ion Channels

Science Signaling, 2001
The functions of ion channels can be regulated by their phosphorylation state. Protein kinases and protein phosphatases tightly control the activity of channels, thereby regulating the flow of ions across cell membranes. Channel proteins and kinases or phosphatases can associate directly or through intermediate adaptor proteins.
Irwin B. Levitan, Stacey Nee MacFarlane
openaire   +3 more sources

Introduction to Ion Channels

2010
Ion channels are integral membrane proteins that contain pathways through which ions can flow. By shifting between closed and open conformational states ('gating' process), they control passive ion flow through the plasma membrane. Channels can be gated by membrane potential, or specific ligands, or other agents, such as mechanical stimuli.
DI RESTA, CHIARA, BECCHETTI, ANDREA
openaire   +5 more sources

Ions, Channels, and Receptors

Annals of the New York Academy of Sciences, 2002
Abstract:In this section eight presenters focus on three distinct aspects of chromaffin cell biology: first, the properties of neuronal nicotinic receptors; second, the shaping of the Ca2+signals that underlie chromaffin cell function; and third, the properties and expression of cell surface transporter proteins.
Powis, David A., Marley, Philip D.
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Ubiquitylation of Ion Channels [PDF]

open access: possiblePhysiology, 2005
Ubiquitylation (i.e., covalent attachment of ubiquitin moieties to proteins) of ion channels allows regulation of their activity and fate. Nedd4/Nedd4-like ubiquitin-protein ligases bind to, ubiquitylate, and modulate the internalization of several channels bearing PY motifs, whereas endoplasmic reticulum-associated degradation (involving ...
Olivier Staub, Hugues Abriel
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Ion-Channel Reconstitution [PDF]

open access: possible, 2007
In this chapter, a detailed protocol is given for ion-channel reconstitution in the two most used model membranes: planar bilayers and liposomes. In the planar bilayer section, methods are described for the expression of ion channels in Xenopus laevis oocytes, the isolation of their membranes, the insertion of ion channels into the bilayer by vesicle ...
Eduardo Rosenmann   +6 more
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