Nature Communications (Aug 2022)

Perforin-2 clockwise hand-over-hand pre-pore to pore transition mechanism

  • Fang Jiao,
  • François Dehez,
  • Tao Ni,
  • Xiulian Yu,
  • Jeremy S. Dittman,
  • Robert Gilbert,
  • Christophe Chipot,
  • Simon Scheuring

DOI
https://doi.org/10.1038/s41467-022-32757-4
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 13

Abstract

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Direct visualization of the structural transformation from pre-pore to pore of the mammalian immune defense complex perforin-2 (PFN2) reveals a clockwise hand-over-hand mechanism that propagates at ~15 subunits per second.