Nature Communications (Sep 2016)

Structural and functional characterization of a calcium-activated cation channel from Tsukamurella paurometabola

  • Balasundaresan Dhakshnamoorthy,
  • Ahmed Rohaim,
  • Huan Rui,
  • Lydia Blachowicz,
  • Benoît Roux

DOI
https://doi.org/10.1038/ncomms12753
Journal volume & issue
Vol. 7, no. 1
pp. 1 – 11

Abstract

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Tetrameric cationic channels specificity is determined by the sequence and structural conformation of their selectivity filter. Here, the authors show that a cationic channel from Tsukamurella paurometabola is non-selective due to a Ca2+-binding motif within its unusual proline-rich filter.