Thermophilic ATP synthase has a decamer c-ring: indication of noninteger 10:3 H+/ATP ratio and permissive elastic coupling.

@article{Mitome2004ThermophilicAS,
  title={Thermophilic ATP synthase has a decamer c-ring: indication of noninteger 10:3 H+/ATP ratio and permissive elastic coupling.},
  author={Noriyo Mitome and Toshiharu Suzuki and Shigehiko Hayashi and Masasuke Yoshida},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2004},
  volume={101 33},
  pages={12159-64}
}
In a rotary motor F(o)F(1)-ATP synthase that couples H(+) transport with ATP synthesis/hydrolysis, it is thought that an F(o)c subunit oligomer ring (c-ring) in the membrane rotates as protons pass through F(o) and a 120 degrees rotation produces one ATP at F(1). Despite several structural studies, the copy number of F(o)c subunits in the c-ring has not been determined for any functional F(o)F(1). Here, we have generated and isolated thermophilic Bacillus F(o)F(1), each containing genetically… CONTINUE READING

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