Article
Structural and functional analysis of transmembrane segment VI of the NHE1 isoform of the Na+/H+ exchanger.
The Journal of biological chemistry - 19 Nov 2010
Tzeng Jennifer, Lee Brian L, Sykes Brian D, Fliegel Larry
Abstract excerpt
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 the transmembrane segment (TM) VI (residues 227-249) by using cysteine scanning mutagenesis and high resolution...
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