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The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.

Structure and Mechanisms of F-Type ATP Synthases

Kühlbrandt, Werner·2019·Annual Review of Biochemistry

Abstract

F 1 F o ATP synthases produce most of the ATP in the cell. F-type ATP synthases have been investigated for more than 50 years, but a full understanding of their molecular mechanisms has become possible only with the recent structures of complete, functionally competent complexes determined by electron cryo-microscopy (cryo-EM). High-resolution cryo-EM structures offer a wealth of unexpected new insights. The catalytic F 1 head rotates with the central γ -subunit for the first part of each ATP-generating power stroke. Joint rotation is enabled by subunit δ/OSCP acting as a flexible hinge between F 1 and the peripheral stalk. Subunit a conducts protons to and from the c -ring rotor through two conserved aqueous channels. The channels are separated by ∼6 Å in the hydrophobic core of F o , resulting in a strong local field that generates torque to drive rotary catalysis in F 1 . The structure of the chloroplast F 1 F o complex explains how ATPase activity is turned off at night by a redox switch. Structures of mitochondrial ATP synthase dimers indicate how they shape the inner membrane cristae. The new cryo-EM structures complete our picture of the ATP synthases and reveal the unique mechanism by which they transform an electrochemical membrane potential into biologically useful chemical energy.

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Metadata

Authors
Kühlbrandt, W.
Venue
Annual Review of Biochemistry
Published
2019-06-20
Volume
88
Issue
1
Pages
515-549
ISSN
  • 0066-4154 (ISSN-L)
  • 1545-4509
OpenAlex
W2925284108
Cited by
444
References
9
FWCI
3.00
Type
journal article
Language
en
Open access
closed

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