Nature Communications (Mar 2023)

Molecular mechanism on forcible ejection of ATPase inhibitory factor 1 from mitochondrial ATP synthase

  • Ryohei Kobayashi,
  • Hiroshi Ueno,
  • Kei-ichi Okazaki,
  • Hiroyuki Noji

DOI
https://doi.org/10.1038/s41467-023-37182-9
Journal volume & issue
Vol. 14, no. 1
pp. 1 – 12

Abstract

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IF1 is a natural inhibitor of mitochondrial FoF1-ATP synthase, which blocks catalysis and rotation of the F1 motor. Here, the authors show the rotational-direction-dependence of activation from IF1 inhibition, with IF1 being readily dissociated when F1 rotates to the clockwise direction.