Article
Phospholipase C-gamma binds directly to the Na+/H+ exchanger 3 and is required for calcium regulation of exchange activity.
The Journal of biological chemistry - 17 Jul 2009
Zachos Nicholas C, van Rossum Damian B, Li Xuhang, Caraveo Gabriela, Sarker Rafiquel, Cha Boyoung, Mohan Sachin, Desiderio Stephen, Patterson Randen L, Donowitz Mark
Abstract excerpt
Multiple studies suggest that phospholipase C-gamma (PLC-gamma) contributes to regulation of sodium/hydrogen exchanger 3 (NHE3) in the small intestine, although the mechanism(s) for this regulation remain unknown. We demonstrate here that PLC-gamma binds directly to the C terminus of NHE3 and exists in similar sized multiprotein complexes as NHE3. This binding is dynamic and decreases with elevated [Ca(2+)](i)....
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