Nature Communications (Jul 2018)

The solute carrier SLC9C1 is a Na+/H+-exchanger gated by an S4-type voltage-sensor and cyclic-nucleotide binding

  • F. Windler,
  • W. Bönigk,
  • H. G. Körschen,
  • E. Grahn,
  • T. Strünker,
  • R. Seifert,
  • U. B. Kaupp

DOI
https://doi.org/10.1038/s41467-018-05253-x
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 13

Abstract

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The sperm-specific solute carrier SLC9C1 is a phylogenetic chimaera that carries a voltage-sensing (VSD) and a cyclic nucleotide-binding domain (CNBD). Here authors show by electrophysiology and fluorimetry that SLC9C1 is a genuine Na+/H+ exchanger gated by voltage and cAMP.