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Article

The F subunit of Thermus thermophilus V1-ATPase promotes ATPase activity but is not necessary for rotation.

The Journal of biological chemistry - 23 Apr 2004

Imamura Hiromi, Ikeda Chiyo, Yoshida Masasuke, Yokoyama Ken

Abstract excerpt

V(1)-ATPase from the thermophilic bacterium Thermus thermophilus is a molecular rotary motor with a subunit composition of A(3)B(3)DF, and its central rotor is composed of the D and F subunits. To determine the role of the F subunit, we generated an A(3)B(3)D subcomplex and compared it with A(3)B(3)DF. The ATP hydrolyzing activity of A(3)B(3)D (V(max) = 20 s(-1)) was lower than that of A(3)B(3)DF (V(max) = 31...

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PMID: 14963028
DOI: 10.1074/jbc.M314204200

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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