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Anatomy of F1-ATPase powered rotation.

Abstract:

F1-ATPase, the catalytic complex of the ATP synthase, is a molecular motor that can consume ATP to drive rotation of the γ-subunit inside the ring of three αβ-subunit heterodimers in 120° power strokes. To elucidate the mechanism of ATPase-powered rotation, we determined the angular velocity as a function of rotational position from single-molecule data collected at 200,000 frames per second with unprecedented signal-to-noise. Power stroke rotation is more complex than previously understood. ...

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Publisher copy:
10.1073/pnas.1317784111

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics
Role:
Author
Publisher:
National Academy of Sciences
Journal:
Proceedings of the National Academy of Sciences of the United States of America
Volume:
111
Issue:
10
Pages:
3715-3720
Publication date:
2014-03-05
DOI:
EISSN:
1091-6490
ISSN:
0027-8424
URN:
uuid:6bf833f2-4c5e-4acb-b8ec-cc89bc47d312
Source identifiers:
450127
Local pid:
pubs:450127

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