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A recently identified member of the glutathione transferase structural family modifies cardiac RyR2 substate activity, coupled gating and activation by Ca2+ and ATP

Dulhunty, Angela; Pouliquin, Pierre; Coggan, Marjorie; Gage, Peter; Board, Philip

Description

The recently discovered CLIC-2 protein (where CLIC stands for chloride intracellular channel), which belongs to the ubiquitous glutathione transferase structural family and is expressed in the myocardium, is a regulator of native cardiac RyR2 (ryanodine receptor 2) channels. Here we show that recombinant CLIC-2 increases [3H]ryanodine binding to native and purified RyR channels, enhances substate activity in individual channels, increases the number of rare coupled gating events between...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
URI: http://hdl.handle.net/1885/73869
Source: Biochemical Journal
DOI: 10.1042/BJ20042113

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