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The mammalian Na+/H+ exchanger isoform 1 (NHE1) is a ubiquitous membrane protein that exchanges one intracellular H+ for an extracellular Na+, thereby regulating cell pH and volume. NHE1 catalytic activity is mediated by a transmembrane (TM) domain with 12 transmembrane segments. We performed...
Structural and functional analysis of transmembrane segment VI of the NHE1 isoform of the na+/H+ exchangerDownload
The Na+/H+ exchanger isoform 1 is a ubiquitously expressed integral membrane protein. It resides on the plasma membrane of cells and regulates intracellular pH in mammals by extruding an intracellular H+ in exchange for one extracellular Na+. We characterized structural and functional aspects of...