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X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative

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Evolutionary classification of protein domain structures

alpha arraysalpha-helix arrays with mainly perpendicular helices

alpha bundlesalpha-helix bundles with mainly parallel helices

alpha superhelicesrepeating alpha-helix hairpins form a superhelix

X: C-terminal domain of alpha and beta subunits of F1 ATP synthase
H: C-terminal domain of alpha and beta subunits of F1 ATP synthase
T: C-terminal domain of alpha and beta subunits of F1 ATP synthase
F: ATP-synt_ab_C

PF00306

Representatives:

e2jdiA2[A:380-510] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP SYNTHASE SUBUNIT ALPHA HEART ISOFORM ; ligands: ANP ; X-RAY DIFFRACTION 1.9Å

e8dbrC2[C:383-511] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8dbsA3[A:383-511] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8dbsC2[C:383-511] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8dbtC1[C:383-511] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8dbuC3[C:383-511] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8dbvA3[A:383-513] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8dbvC1[C:383-511] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8dbwB1[B:383-511] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8ap6B11[B1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8ap6B23[B2:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apaB11[B1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apbB12[B1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apcB11[B1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apdB11[B1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apeB13[B1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apfB13[B1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apgB13[B1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8aphB12[B1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apjB12[B1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apkB11[B1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8ap6A13[A1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8ap6A21[A2:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8ap6C13[C1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8ap6C21[C2:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apaA12[A1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apaC12[C1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apbA11[A1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apbC11[C1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apcA13[A1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apcC13[C1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apdA12[A1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apdC13[C1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apeA11[A1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apeC12[C1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apfA11[A1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apfC12[C1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apgA11[A1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apgC12[C1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8aphA11[A1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8aphC12[C1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apjA11[A1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apjC13[C1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apkA11[A1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8apkC13[C1:417-584] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha, mitochondrial ; ligands: ATP ; ELECTRON MICROSCOPY

e8g08B1[B:383-520] Image Pymol Jmol Links: PDB, SCOP, CATH

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8g08C1[C:383-520] Image Pymol Jmol Links: PDB, SCOP, CATH

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8g09A1[A:383-520] Image Pymol Jmol Links: PDB, SCOP, CATH

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8g09C3[C:383-520] Image Pymol Jmol Links: PDB, SCOP, CATH

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8g0aA1[A:383-520] Image Pymol Jmol Links: PDB, SCOP, CATH

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8g0aB2[B:383-520] Image Pymol Jmol Links: PDB, SCOP, CATH

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8g0cB2[B:383-520] Image Pymol Jmol Links: PDB, SCOP, CATH

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8g0cC2[C:383-520] Image Pymol Jmol Links: PDB, SCOP, CATH

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8g0dC1[C:383-520] Image Pymol Jmol Links: PDB, SCOP, CATH

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8g0dA3[A:383-520] Image Pymol Jmol Links: PDB, SCOP, CATH

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8g0eA1[A:383-520] Image Pymol Jmol Links: PDB, SCOP, CATH

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8g0eB1[B:383-520] Image Pymol Jmol Links: PDB, SCOP, CATH

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e7y5aB1[B:383-520] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e7y5aC2[C:383-520] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e7y5bB3[B:383-520] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e7y5cB1[B:383-520] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e7y5cC3[C:383-520] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e7y5dC1[C:383-520] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ELECTRON MICROSCOPY

e8f2kA1[A:382-510] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e8f2kB1[B:382-510] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP,XBC ; ELECTRON MICROSCOPY

e8f2kC2[C:382-510] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP,XBC ; ELECTRON MICROSCOPY

e7yryA2[A:384-514] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ATP ; ELECTRON MICROSCOPY

e8hh1A3[A:372-501] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: ATP ; ELECTRON MICROSCOPY

e8hh5A3[A:372-501] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: ATP ; ELECTRON MICROSCOPY

e6tduAA1[AA:395-562] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e6tduAB3[AB:395-562] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e6tduAC2[AC:395-562] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ADP,ATP ; ELECTRON MICROSCOPY

e6tduBA3[BA:395-562] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e6tduBB1[BB:395-562] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e6tduBC1[BC:395-562] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ADP,ATP ; ELECTRON MICROSCOPY

e6tdyA2[A:395-562] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e6tdyB1[B:395-562] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e6tdyC3[C:395-562] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e6tdzB3[B:395-562] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e6tdzC2[C:395-562] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e6tdzA3[A:395-562] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e6te0C2[C:395-562] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e6te0A1[A:395-562] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

e6te0B2[B:395-562] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit alpha ; ligands: ATP ; ELECTRON MICROSCOPY

Previous

alpha duplicates or obligate multimersalpha duplicates or monomers associate together to form a compact domain

alpha complex topologyalpha domain with complex and unique topology that cannot be described as array or bundle or superhelix

beta barrelssingle beta-sheet folded upon itself to form a barrel

beta meanderssingle beta-sheet with mainly meander topology

beta sandwichestwo beta-sheets stacked together to form a sandwich

beta duplicates or obligate multimersbeta duplicates or monomers associate together to form a compact domain

beta complex topologybeta domains with complex and unique topology that cannot be described as barrel or sandwich or meander

a+b two layersone alpha-helix layer and one beta-sheet layer

a+b three layersone mainly antiparallel beta-sheet layer sandwiched between two alpha-helix layers

a+b four layerstwo beta-sheet layers sandwiched between two alpha-helix layers

a+b complex topologyalpha and beta domain with complex and unique topology that cannot be described in layers

a+b duplicates or obligate multimersalpha and beta duplicates or monomers associated together to form a compact domain

a/b barrelsrepeating beta-alpha units form a barrel

a/b three-layered sandwichesrepeating beta-alpha units form a sandwich with a mainly parallel beta-sheet layer stacked between two alpha-helix layers

mixed a+b and a/balpha and beta domain consists of both a+b and a/b regions

few secondary structure elementsstabilized by cofactors or disulfides

extended segmentsextended, non-globular segments, frequently bind to other proteins to form complexes