ATP synthase uses a specific stoichiometric ratio of protons to synthesize each ATP molecule

the verdict

SUPPORTED

the evidence backs this

Recorded sources

4 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

ATP synthase relies on a specific stoichiometric ratio of protons to synthesize ATP, which is determined by the ring structure of its c-subunits and varies in a species-specific manner.

The analysis

The retrieved papers consistently demonstrate that ATP synthase utilizes a defined stoichiometry of proton-translocating c-subunits to produce ATP, with specific ratios (such as c10, c12, or c13) characterizing different species and mutants. The claim is well-supported by structural and bioenergetic studies.

Evidence for · 4

Constant c 10 Ring Stoichiometry in the Escherichia coli ATP Synthase Analyzed by Cross-Linking

Recorded source metadata

Britta Ballhausen, Karlheinz Altendorf, Gabriele Deckers-Hebestreit. Constant c 10 Ring Stoichiometry in the Escherichia coli ATP Synthase Analyzed by Cross-Linking. 2009. https://doi.org/10.1128/jb.01390-08

Studies on Escherichia coli demonstrate a conserved c-ring stoichiometry of decamers (c10).

Source citation format

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More for · 3

Engineering of ATP synthase for enhancement of proton-to-ATP ratio

Recorded source metadata

Hiroshi Ueno, Kiyoto Yasuda, Norie Hamaguchi-Suzuki, Riku Marui, Naruhiko Adachi, Toshiya Senda, Takeshi Murata, Hiroyuki Noji. Engineering of ATP synthase for enhancement of proton-to-ATP ratio. 2024. https://doi.org/10.1101/2024.08.27.609901

Highlights that the proton-to-ATP ratio is determined by the specific number of c-subunits in the rotor complex, which varies among species.

Source citation format

The c-ring stoichiometry of ATP synthase is adapted to cell physiological requirements of alkaliphilic Bacillus pseudofirmus OF4.

Recorded source metadata

Laura Preiss, Adriana L Klyszejko, David B Hicks, Jun Liu, Oliver J Fackelmayer, Özkan Yildiz, Terry A Krulwich, Thomas Meier. The c-ring stoichiometry of ATP synthase is adapted to cell physiological requirements of alkaliphilic Bacillus pseudofirmus OF4.. 2013. https://doi.org/10.1073/pnas.1303333110

Shows that the c-ring stoichiometry of ATP synthase is adapted to specific cell physiological requirements, such as maintaining precise ion-to-ATP ratios.

Source citation format

Structural aspects of proton-pumping ATPases.

Recorded source metadata

J E Walker, I M Fearnley, R Lutter, R J Todd, M J Runswick. Structural aspects of proton-pumping ATPases.. 1990. https://doi.org/10.1098/rstb.1990.0018

Details that ATP synthases are assembled from specific polypeptide subunits with defined stoichiometric compositions, such as c10-12 rings.

Source citation format

The paper trail · every fact has a biography

first checked01 Aug 2026

judged → SUPPORTED · 8501 Aug 2026

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