PTHR43607

V-TYPE PROTON ATPASE CATALYTIC SUBUNIT A

PANTHER entry
Member databasePANTHER
PANTHER typefamily

Description
Imported from IPR022878

Transmembrane ATPases are membrane-bound enzyme complexes/ion transporters that use ATP hydrolysis to drive the transport of protons across a membrane. Some transmembrane ATPases also work in reverse, harnessing the energy from a proton gradient, using the flux of ions across the membrane via the ATPase proton channel to drive the synthesis of ATP.

This entry represents the catalytic subunit alpha of V-type ATP synthase, which is known as subunit A in eukaryotes. In bacteria and archaea it produces ATP from ADP in the presence of a proton gradient across the membrane.

References
Imported from IPR022878

1. F-type or V-type? The chimeric nature of the archaebacterial ATP synthase. Schafer G, Meyering-Vos M. Biochim. Biophys. Acta 1101, 232-5, (1992). PMID: 1385979

2. F-and V-ATPases in the genus Thermus and related species. Radax C, Sigurdsson O, Hreggvidsson GO, Aichinger N, Gruber C, Kristjansson JK, Stan-Lotter H. Syst. Appl. Microbiol. 21, 12-22, (1998). PMID: 9741106

3. Mechanisms of ATPases--a multi-disciplinary approach. Rappas M, Niwa H, Zhang X. Curr. Protein Pept. Sci. 5, 89-105, (2004). View articlePMID: 15078220

4. The evolution of A-, F-, and V-type ATP synthases and ATPases: reversals in function and changes in the H+/ATP coupling ratio. Cross RL, Muller V. FEBS Lett. 576, 1-4, (2004). View articlePMID: 15473999

5. Regulation and isoform function of the V-ATPases. Toei M, Saum R, Forgac M. Biochemistry 49, 4715-23, (2010). View articlePMID: 20450191

6. New insights into structure-function relationships between archeal ATP synthase (A1A0) and vacuolar type ATPase (V1V0). Gruber G, Marshansky V. Bioessays 30, 1096-109, (2008). View articlePMID: 18937357

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