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XB-ART-18853
J Biol Chem 1995 Dec 29;27052:31172-7.
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Cloning and functional expression of rat CLC-5, a chloride channel related to kidney disease.

Steinmeyer K , Schwappach B , Bens M , Vandewalle A , Jentsch TJ .


Abstract
We have cloned a novel member of the CLC chloride channel family from rat brain, rCLC-5. The cDNA predicts a 83-kDa protein belonging to the branch including CLC-3 and CLC-4, with which it shares approximately 80% identity. Expression of rCLC-5 in Xenopus oocytes elicits novel anion currents. They are strongly outwardly rectifying and have a conductivity sequence of NO3- > Cl- > Br- > I- >> glutamate-. Although CLC-5 has consensus sites for phosphorylation by protein kinase A, raising the intracellular cAMP concentration had no effect on these currents. Currents were also unchanged when rCLC-5 was coexpressed with rCLC-3 and rCLC-4, either singly or in combination. rCLC-5 is expressed predominantly in kidney and also in brain, lung, and liver. Along the nephron, rCLC-5 message is detectable in all tubule segments investigated, but expression in the glomerulus and the S2 segment of the proximal tubule is low.

PubMed ID: 8537381
Article link: J Biol Chem


Species referenced: Xenopus
Genes referenced: camp clcn3 clcn5 nbl1 uqcc6