Nature Communications (Jun 2018)

Dynamic structural states of ClpB involved in its disaggregation function

  • Takayuki Uchihashi,
  • Yo-hei Watanabe,
  • Yosuke Nakazaki,
  • Takashi Yamasaki,
  • Hiroki Watanabe,
  • Takahiro Maruno,
  • Kentaro Ishii,
  • Susumu Uchiyama,
  • Chihong Song,
  • Kazuyoshi Murata,
  • Ryota Iino,
  • Toshio Ando

DOI
https://doi.org/10.1038/s41467-018-04587-w
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 12

Abstract

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The bacterial protein disaggregation machine ClpB uses ATP to generate mechanical force to unfold and thread its protein substrates. Here authors visualize the ClpB ring using high-speed atomic force microscopy and capture conformational changes of the hexameric ring during the ATPase reaction.