Evolutionary classification of protein domain structures
alpha arraysalpha-helix arrays with mainly perpendicular helices
alpha bundlesalpha-helix bundles with mainly parallel helices




Representatives:
e4zwsA1[A:1-136]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 2.600Å
e4zwqA1[A:0-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 2.310Å
e4zwqB1[B:1-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 2.310Å
e4zwqC1[C:2-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 2.310Å
e4zwqD1[D:1-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 2.310Å
e4zwqE1[E:1-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 2.310Å
e4zwqF1[F:2-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 2.310Å
e4zwqG1[G:4-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 2.310Å
e4zwrA1[A:0-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 3.3857Å
e4zwrB1[B:0-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 3.3857Å
e4zwrC1[C:0-136] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 3.3857Å
e4zwrD1[D:0-134] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 3.3857Å
e4zwrE1[E:0-136] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 3.3857Å
e4zwrF1[F:0-136] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 3.3857Å
e4zwrG1[G:1-65,G:89-133] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 3.3857Å
e4zwsB1[B:1-70,B:91-136] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 2.600Å
e4zwsC1[C:1-60,C:97-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 2.600Å
e4zwsD1[D:2-56,D:96-136] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 2.600Å
e4zwsE1[E:1-54,E:94-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 2.600Å
e4zwsF1[F:1-54,F:97-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 2.600Å
e4zwsG1[G:1-56,G:98-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 2.600Å
e4zwtA1[A:2-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 4.010Å
e4zwtB1[B:1-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 4.010Å
e4zwtC1[C:1-134] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 4.010Å
e4zwtD1[D:1-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 4.010Å
e4zwtE1[E:1-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 4.010Å
e4zwtF1[F:1-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 4.010Å
e4zwtG1[G:2-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 4.010Å
e4zwtH1[H:1-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 4.010Å
e4zwtI1[I:1-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 4.010Å
e4zwtJ1[J:1-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 4.010Å
e4zwtK1[K:1-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 4.010Å
e4zwtL1[L:1-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 4.010Å
e4zwtM1[M:1-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 4.010Å
e4zwtN1[N:1-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Recombination protein uvsY ; X-RAY DIFFRACTION 4.010Å
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