Gene Symbol: ATP20
Description: F1F0 ATP synthase subunit g
Alias: F1F0 ATP synthase subunit g
Species: Saccharomyces cerevisiae S288c

Top Publications

  1. Bornhovd C, Vogel F, Neupert W, Reichert A. Mitochondrial membrane potential is dependent on the oligomeric state of F1F0-ATP synthase supracomplexes. J Biol Chem. 2006;281:13990-8 pubmed
    ..We propose a role for the supracomplexes of the F1F0-ATP synthase in organizing microdomains within the inner membrane, ensuring optimal bioenergetic competence of mitochondria. ..
  2. Reinders J, Wagner K, Zahedi R, Stojanovski D, Eyrich B, van der Laan M, et al. Profiling phosphoproteins of yeast mitochondria reveals a role of phosphorylation in assembly of the ATP synthase. Mol Cell Proteomics. 2007;6:1896-906 pubmed
    ..yeast genetics and in vitro biochemical analysis, we found that phosphorylation of a serine residue in subunit g (Atp20) regulates dimerization of the mitochondrial ATP synthase...
  3. Rabl R, Soubannier V, Scholz R, Vogel F, Mendl N, Vasiljev Neumeyer A, et al. Formation of cristae and crista junctions in mitochondria depends on antagonism between Fcj1 and Su e/g. J Cell Biol. 2009;185:1047-63 pubmed publisher
    ..We propose a model in which the antagonism between Fcj1 and Su e/g locally modulates the F(1)F(O) oligomeric state, thereby controlling membrane curvature of cristae to generate CJs and cristae tips. ..
  4. Arnold I, Pfeiffer K, Neupert W, Stuart R, Schagger H. Yeast mitochondrial F1F0-ATP synthase exists as a dimer: identification of three dimer-specific subunits. EMBO J. 1998;17:7170-8 pubmed
    ..We speculate that the F1F0-ATP synthase of yeast, like the other complexes of oxidative phosphorylation, form supracomplexes to optimize transduction of energy and to enhance the stability of the complex in the membrane. ..
  5. Wagner K, Rehling P, Sanjuán Szklarz L, Taylor R, Pfanner N, van der Laan M. Mitochondrial F1Fo-ATP synthase: the small subunits e and g associate with monomeric complexes to trigger dimerization. J Mol Biol. 2009;392:855-61 pubmed publisher
    ..Two small proteins of the membrane-embedded F(o)-domain, subunit e (Su e; Atp21) and Su g (Atp20), were identified as dimer-specific subunits of yeast ATP synthase and shown to be required for stabilization of ..
  6. Bustos D, Velours J. The modification of the conserved GXXXG motif of the membrane-spanning segment of subunit g destabilizes the supramolecular species of yeast ATP synthase. J Biol Chem. 2005;280:29004-10 pubmed
  7. Förster K, Turina P, Drepper F, Haehnel W, Fischer S, Graber P, et al. Proton transport coupled ATP synthesis by the purified yeast H+ -ATP synthase in proteoliposomes. Biochim Biophys Acta. 2010;1797:1828-37 pubmed publisher
    ..The dependence of the turnover on the phosphate concentration and the dependence of K(M) on pH(out) indicated that the substrate for ATP synthesis is the monoanionic phosphate species H?PO??. ..
  8. Boyle G, Roucou X, Nagley P, Devenish R, Prescott M. Identification of subunit g of yeast mitochondrial F1F0-ATP synthase, a protein required for maximal activity of cytochrome c oxidase. Eur J Biochem. 1999;262:315-23 pubmed
    ..3-kDa subunit g of bovine mitochondrial F1F0-ATP synthase. We have designated this ORF ATP20, and its product subunit g...
  9. Paumard P, Vaillier J, Napias C, Arselin G, Brethes D, Graves P, et al. Environmental study of subunit i, a F(o) component of the yeast ATP synthase. Biochemistry. 2000;39:4199-205 pubmed

More Information


  1. Wagner K, Perschil I, Fichter C, van der Laan M. Stepwise assembly of dimeric F(1)F(o)-ATP synthase in mitochondria involves the small F(o)-subunits k and i. Mol Biol Cell. 2010;21:1494-504 pubmed publisher
    ..were mapped to monomer-monomer-interfaces of yeast ATP synthase complexes, but only Su e (Atp21) and Su g (Atp20) have so far been identified as crucial for the formation of stable dimers...
  2. Itoh K, Tamura Y, Iijima M, Sesaki H. Effects of Fcj1-Mos1 and mitochondrial division on aggregation of mitochondrial DNA nucleoids and organelle morphology. Mol Biol Cell. 2013;24:1842-51 pubmed publisher
    ..Our findings suggest an unexpected role of Fcj1-Mos1 and organelle division in maintaining the distribution and size of mtDNA nucleoids. ..
  3. Arnold I, Pfeiffer K, Neupert W, Stuart R, Schagger H. ATP synthase of yeast mitochondria. Isolation of subunit j and disruption of the ATP18 gene. J Biol Chem. 1999;274:36-40 pubmed
    ..In the absence of Su j, spontaneously arising rho- cells were observed that lacked also ubiquinol-cytochrome c reductase and cytochrome c oxidase activities. We conclude that Su j is a novel and essential subunit of yeast ATP synthase. ..
  4. Saddar S, Stuart R. The yeast F(1)F(0)-ATP synthase: analysis of the molecular organization of subunit g and the importance of a conserved GXXXG motif. J Biol Chem. 2005;280:24435-42 pubmed
    ..We suggest that the GXXXG motif may not be the sole basis for a Su g-Su e interaction, and possibly these dimerization motifs may enable both Su g and Su e to interact with another mitochondrial protein. ..