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- beta_subunits abstract "ATPases (or ATP synthases) are membrane-bound enzyme complexes/ion transporters that combine ATP synthesis and/or hydrolysis with the transport of protons across a membrane. ATPases can harness 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.Some ATPases work in reverse, using the energy from the hydrolysis of ATP to create a proton gradient.There are different types of ATPases, which can differ in function (ATP synthesis and/or hydrolysis), structure (F-, V- and A-ATPases contain rotary motors) and in the type of ions they transport. F-ATPases (F1F0-ATPases) in mitochondria, chloroplasts and bacterial plasma membranes are the prime producers of ATP, using the proton gradient generated by oxidative phosphorylation (mitochondria) or photosynthesis (chloroplasts). V-ATPases (V1V0-ATPases) are primarily found in eukaryotic vacuoles, catalysing ATP hydrolysis to transport solutes and lower pH in organelles. A-ATPases (A1A0-ATPases) are found in Archaea and function like F-ATPases. P-ATPases (E1E2-ATPases) are found in bacteria and in eukaryotic plasma membranes and organelles, and function to transport a variety of different ions across membranes. E-ATPases are cell-surface enzymes that hydrolyse a range of nucleoside triphosphates, including extracellular ATP.The alpha and beta (or A and B) subunits are found in the F1, V1, and A1 complexes of F-, V- and A-ATPases, respectively, as well as flagellar ATPase and the termination factor Rho. The F-ATPases (or F1F0-ATPases), V-ATPases (or V1V0-ATPases) and A-ATPases (or A1A0-ATPases) are composed of two linked complexes: the F1, V1 or A1 complex contains the catalytic core that synthesizes/hydrolyses ATP, and the F0, V0 or A0 complex that forms the membrane-spanning pore. The F-, V- and A-ATPases all contain rotary motors, one that drives proton translocation across the membrane and one that drives ATP synthesis/hydrolysis.In F-ATPases, there are three copies each of the alpha and beta subunits that form the catalytic core of the F1 complex, while the remaining F1 subunits (gamma, delta, epsilon) form part of the stalks. There is a substrate-binding site on each of the alpha and beta subunits, those on the beta subunits being catalytic, while those on the alpha subunits are regulatory. The alpha and beta subunits form a cylinder that is attached to the central stalk. The alpha/beta subunits undergo a sequence of conformational changes leading to the formation of ATP from ADP, which are induced by the rotation of the gamma subunit, itself is driven by the movement of protons through the F0 complex C subunit.In V- and A-ATPases, the alpha/A and beta/B subunits of the V1 or A1 complex are homologous to the alpha and beta subunits in the F1 complex of F-ATPases, except that the alpha subunit is catalytic and the beta subunit is regulatory.The alpha/A and beta/B subunits can each be divided into three regions, or domains, centred on the ATP-binding pocket, and based on structure and function. The central domain contains the nucleotide-binding residues that make direct contact with the ADP/ATP molecule.".
- beta_subunits symbol "ATP-synt_ab".
- beta_subunits symbol "ATP-synt_ab_C".
- beta_subunits symbol "ATP-synt_ab_N".
- beta_subunits thumbnail PBB_Protein_ATP5B_image.jpg?width=300.
- beta_subunits wikiPageID "14875994".
- beta_subunits wikiPageLength "7753".
- beta_subunits wikiPageOutDegree "22".
- beta_subunits wikiPageRevisionID "629648474".
- beta_subunits wikiPageWikiLink ATP5A1.
- beta_subunits wikiPageWikiLink ATP5B.
- beta_subunits wikiPageWikiLink ATP6V1A.
- beta_subunits wikiPageWikiLink ATP6V1B1.
- beta_subunits wikiPageWikiLink ATP6V1B2.
- beta_subunits wikiPageWikiLink ATP_synthase.
- beta_subunits wikiPageWikiLink ATP_synthase,_H+_transporting,_mitochondrial_F1_complex,_alpha_1.
- beta_subunits wikiPageWikiLink ATPase.
- beta_subunits wikiPageWikiLink Adenosine_triphosphate.
- beta_subunits wikiPageWikiLink Category:Protein_domains.
- beta_subunits wikiPageWikiLink Category:Protein_families.
- beta_subunits wikiPageWikiLink Category:Transmembrane_proteins.
- beta_subunits wikiPageWikiLink Electrochemical_gradient.
- beta_subunits wikiPageWikiLink F-ATPase.
- beta_subunits wikiPageWikiLink File:PBB_Protein_ATP5B_image.jpg.
- beta_subunits wikiPageWikiLink Ion_transporter.
- beta_subunits wikiPageWikiLink Nucleoside_triphosphate.
- beta_subunits wikiPageWikiLink Oxidative_phosphorylation.
- beta_subunits wikiPageWikiLink P-ATPase.
- beta_subunits wikiPageWikiLink P-type_ATPase.
- beta_subunits wikiPageWikiLink Photosynthesis.
- beta_subunits wikiPageWikiLink Protein_domain.
- beta_subunits wikiPageWikiLink Proton_channel.
- beta_subunits wikiPageWikiLink Proton_gradient.
- beta_subunits wikiPageWikiLink Proton_pump.
- beta_subunits wikiPageWikiLink V-ATPase.
- beta_subunits wikiPageWikiLinkText "ATP synthase alpha/beta subunits".
- beta_subunits wikiPageWikiLinkText "alpha".
- beta_subunits wikiPageWikiLinkText "beta".
- beta_subunits hasPhotoCollection beta_subunits.
- beta_subunits interpro "IPR000194".
- beta_subunits interpro "IPR000793".
- beta_subunits interpro "IPR004100".
- beta_subunits name "ATP synthase alpha/beta chain, C terminal domain".
- beta_subunits name "ATP synthase alpha/beta family, beta-barrel domain".
- beta_subunits name "ATP synthase alpha/beta family, nucleotide-binding domain".
- beta_subunits pdb "A:273-746 A:283-482 A:283-736 D:273-287 A:283-736 A:283-736 A:283-736 B:151-372 B:151-372 A:126-348 A:126-348 D:185-405 D:185-405 D:185-405 F:185-405 E:185-405 E:185-405 F:185-405 D:185-405 E:185-405 E:185-405 E:185-405 E:137-351 A:129-349 A:147-357 A:154-364".
- beta_subunits pdb "B:23-95 B:23-95 A:6-73 E:6-80 D:63-129 D:63-129 D:63-129 F:63-129 E:63-129 E:63-129 F:63-129 D:63-129 E:63-129 E:63-129 E:63-129 A:4-70 A:4-70 A:26-91 A:21-92".
- beta_subunits pdb "B:427-531 B:427-531 A:427-531 A:427-531 A:427-531 B:427-531 B:427-531 A:427-531 B:427-531 B:427-531 C:427-531 B:376-480 A:377-495 A:377-495 A:361-454 A:361-454 A:362-466".
- beta_subunits pfam "PF00006".
- beta_subunits pfam "PF00306".
- beta_subunits pfam "PF02874".
- beta_subunits prosite "PDOC00137".
- beta_subunits scop "1".
- beta_subunits symbol "ATP-synt_ab".
- beta_subunits symbol "ATP-synt_ab_C".
- beta_subunits symbol "ATP-synt_ab_N".
- beta_subunits wikiPageUsesTemplate Template:InterPro_content.
- beta_subunits wikiPageUsesTemplate Template:PDB.
- beta_subunits wikiPageUsesTemplate Template:Pfam_box.
- beta_subunits wikiPageUsesTemplate Template:Reflist.
- beta_subunits subject Category:Protein_domains.
- beta_subunits subject Category:Protein_families.
- beta_subunits subject Category:Transmembrane_proteins.
- beta_subunits hypernym Transporters.
- beta_subunits type Biomolecule.
- beta_subunits type Protein.
- beta_subunits type Domain.
- beta_subunits type Thing.
- beta_subunits type Q206229.
- beta_subunits type Q8054.
- beta_subunits comment "ATPases (or ATP synthases) are membrane-bound enzyme complexes/ion transporters that combine ATP synthesis and/or hydrolysis with the transport of protons across a membrane.".
- beta_subunits label "ATP synthase alpha/beta subunits".
- beta_subunits sameAs beta_da_ATP_sintase.
- beta_subunits sameAs m.03g_wt7.
- beta_subunits sameAs Q4654885.
- beta_subunits sameAs Q4654885.
- beta_subunits wasDerivedFrom beta_subunits?oldid=629648474.
- beta_subunits depiction PBB_Protein_ATP5B_image.jpg.
- beta_subunits isPrimaryTopicOf beta_subunits.