2K3C:
reference: Structural and Functional Characterization of Transmembrane Segment IX of the NHE1 Isoform of the Na+/H+ Exchanger., Reddy T, Ding J, Li X, Sykes BD, Rainey JK, Fliegel L, J Biol Chem. 2008 Aug 8;283(32):22018-30. Epub 2008 May 28. PMID: 18508767

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