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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

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

X: F-type ATP synthase subunit b
H: F-type ATP synthase subunit b
T: F-type ATP synthase subunit b
F: ATP-synt_B

PF00430 CL0255

Representatives:

e5t4oI1[I:2-156] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e5t4oJ1[J:2-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e5t4pI1[I:2-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e5t4pJ1[J:2-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e5t4qI1[I:2-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e5t4qJ1[J:2-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6fkfp1[p:78-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b', chloroplastic ; ELECTRON MICROSCOPY

e6fkhb1[b:22-182] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b, chloroplastic ; ELECTRON MICROSCOPY

e6fkhp1[p:78-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b', chloroplastic ; ELECTRON MICROSCOPY

e6fkip1[p:78-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b', chloroplastic ; ELECTRON MICROSCOPY

e6fkfb1[b:23-182] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b, chloroplastic ; ELECTRON MICROSCOPY

e6fkib1[b:22-182] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b, chloroplastic ; ELECTRON MICROSCOPY

e6n2yb11[b1:7-163] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6n2yb21[b2:7-616] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6n2zb21[b2:7-616] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bacillus PS3 ATP synthase subunit b ; ELECTRON MICROSCOPY

e6n2zb11[b1:7-163] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bacillus PS3 ATP synthase subunit b ; ELECTRON MICROSCOPY

e6n30b21[b2:7-616] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bacillus PS3 ATP synthase subunit b ; ELECTRON MICROSCOPY

e6n30b11[b1:7-163] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bacillus PS3 ATP synthase subunit b ; ELECTRON MICROSCOPY

e6oqrX1[X:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6oqrY1[Y:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6oqsX1[X:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6oqsY1[Y:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6oqtX1[X:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6oqtY1[Y:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6oquX1[X:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6oquY1[Y:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6oqvX1[X:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6oqvY1[Y:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6oqwX1[X:1-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6oqwY1[Y:1-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6pqvX1[X:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6pqvY1[Y:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6wnqX1[X:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6wnqY1[Y:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6wnrX1[X:1-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6wnrY1[Y:1-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7jg5b1[b:20-164] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e6vm1J1[J:90-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b', chloroplastic ; ELECTRON MICROSCOPY

e6vm4J1[J:85-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b', chloroplastic ; ELECTRON MICROSCOPY

e6vmbJ1[J:85-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b', chloroplastic ; ELECTRON MICROSCOPY

e6vmgJ1[J:90-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b', chloroplastic ; ELECTRON MICROSCOPY

e6vofJ1[J:85-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b', chloroplastic ; ELECTRON MICROSCOPY

e6vohJ1[J:85-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b', chloroplastic ; ELECTRON MICROSCOPY

e6vojJ1[J:87-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b', chloroplastic ; ELECTRON MICROSCOPY

e6volJ1[J:88-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b', chloroplastic ; ELECTRON MICROSCOPY

e6vonJ1[J:91-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b', chloroplastic ; ELECTRON MICROSCOPY

e6vm1I1[I:35-182] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b, chloroplastic ; ELECTRON MICROSCOPY

e6vm4I1[I:29-182] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b, chloroplastic ; ELECTRON MICROSCOPY

e6vmgI1[I:35-182] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b, chloroplastic ; ELECTRON MICROSCOPY

e6vofI1[I:32-182] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b, chloroplastic ; ELECTRON MICROSCOPY

e6vojI1[I:29-182] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b, chloroplastic ; ELECTRON MICROSCOPY

e6vmbI1[I:30-182] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b, chloroplastic ; ELECTRON MICROSCOPY

e6vohI1[I:30-182] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b, chloroplastic ; ELECTRON MICROSCOPY

e6volI1[I:33-182] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b, chloroplastic ; ELECTRON MICROSCOPY

e6vonI1[I:30-182] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b, chloroplastic ; ELECTRON MICROSCOPY

e7jg6b1[b:27-164] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7jg7b1[b:27-164] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7jg8b1[b:27-164] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7jg9b1[b:27-164] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7jgab1[b:24-164] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7njkb1[b:22-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7njlb1[b:22-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7njmb1[b:23-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7njnb1[b:22-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7njob1[b:23-163] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7njpb1[b:22-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7njqb1[b:23-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7njrb1[b:22-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7njsb1[b:23-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7p2yp1[p:2-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7p2yb1[b:3-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7p3nb1[b:12-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7p3np1[p:2-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7p3wb1[b:7-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7p3wp1[p:2-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8dbpX1[X:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8dbpY1[Y:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8dbqX1[X:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8dbqY1[Y:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8dbrX1[X:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8dbrY1[Y:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8dbsX1[X:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8dbsY1[Y:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8dbtX1[X:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8dbtY1[Y:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8dbuX1[X:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8dbuY1[Y:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8dbvX1[X:1-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8dbvY1[Y:1-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8dbwX1[X:1-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8dbwY1[Y:1-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7y5bb1[b:20-164] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7y5cb1[b:20-164] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e7y5db1[b:20-164] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8g08b1[b:24-164] Image Pymol Jmol Links: PDB, SCOP, CATH

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8g09b1[b:24-164] Image Pymol Jmol Links: PDB, SCOP, CATH

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8g0ab1[b:24-164] Image Pymol Jmol Links: PDB, SCOP, CATH

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8g0cb1[b:24-164] Image Pymol Jmol Links: PDB, SCOP, CATH

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8g0db1[b:24-164] Image Pymol Jmol Links: PDB, SCOP, CATH

ATP synthase subunit b ; ELECTRON MICROSCOPY

e8g0eb1[b:24-164] Image Pymol Jmol Links: PDB, SCOP, CATH

ATP synthase subunit b ; ELECTRON MICROSCOPY

e1l2pA1[A:62-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ATP Synthase B Chain ; X-RAY DIFFRACTION 1.55Å