Evolutionary classification of protein domain structures
alpha arraysalpha-helix arrays with mainly perpendicular helices
![](/ecod/img/m.gif)
![](/ecod/img/m.gif)
![](/ecod/img/m.gif)
![](/ecod/img/m.gif)
Representatives:
e1ldjA1[A:687-776]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
CULLIN HOMOLOG 1 ; X-RAY DIFFRACTION 3.0Å
e8or0A3[A:687-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8or2A2[A:687-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8or4A1[A:687-763] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8gq6F4[F:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ligands: ZN ; ELECTRON MICROSCOPY
e8h33H3[H:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ELECTRON MICROSCOPY
e8h33I1[I:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ligands: ZN ; ELECTRON MICROSCOPY
e8h33C5[C:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ELECTRON MICROSCOPY
e8h34M3[M:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ligands: ZN ; ELECTRON MICROSCOPY
e8h34O1[O:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ligands: ZN ; ELECTRON MICROSCOPY
e8h34C2[C:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ligands: ZN ; ELECTRON MICROSCOPY
e8h34F4[F:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ligands: ZN ; ELECTRON MICROSCOPY
e8h34I3[I:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ligands: ZN ; ELECTRON MICROSCOPY
e8h34H1[H:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ligands: ZN ; ELECTRON MICROSCOPY
e8h35C1[C:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ligands: ZN ; ELECTRON MICROSCOPY
e8h35F1[F:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ligands: ZN ; ELECTRON MICROSCOPY
e8h35I4[I:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ligands: ZN ; ELECTRON MICROSCOPY
e8h35H3[H:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ligands: ZN ; ELECTRON MICROSCOPY
e8h35M4[M:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ligands: ZN ; ELECTRON MICROSCOPY
e8h35O2[O:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ligands: ZN ; ELECTRON MICROSCOPY
e8h35T1[T:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ligands: ZN ; ELECTRON MICROSCOPY
e8h35V4[V:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ligands: ZN ; ELECTRON MICROSCOPY
e8h36C2[C:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ligands: ZN ; ELECTRON MICROSCOPY
e8h36F1[F:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ELECTRON MICROSCOPY
e8h37C4[C:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ELECTRON MICROSCOPY
e8h37F5[F:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ELECTRON MICROSCOPY
e8h37M2[M:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ELECTRON MICROSCOPY
e8h37O1[O:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ELECTRON MICROSCOPY
e8h38L3[L:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ELECTRON MICROSCOPY
e8h3aL2[L:682-766] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ELECTRON MICROSCOPY
e8h3fL2[L:682-766] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ELECTRON MICROSCOPY
e8h3qC3[C:682-765] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ELECTRON MICROSCOPY
e8h3rC3[C:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ELECTRON MICROSCOPY
e8h3rF2[F:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ELECTRON MICROSCOPY
e8cafH1[H:702-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; X-RAY DIFFRACTION 2.66Å
e2hyeC1[C:676-759] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-4A ; X-RAY DIFFRACTION 3.100Å
e1u6gA1[A:687-775] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CULLIN HOMOLOG 1 ; X-RAY DIFFRACTION 3.1Å
e1ldkB1[B:687-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CULLIN HOMOLOG ; X-RAY DIFFRACTION 3.1Å
e1iuyA1[A:3-92] Image Pymol Jmol Links: PDB, SCOP, CATH
cullin-3 homologue ; SOLUTION NMR
e4a0kA1[A:676-759] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CULLIN-4A ; X-RAY DIFFRACTION 5.93Å
e3o2pE1[E:730-815] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cell division control protein 53 ; ligands: GOL ; X-RAY DIFFRACTION 2.23Å
e3dplC3[C:694-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-5 ; X-RAY DIFFRACTION 2.550Å
e2do7A1[A:801-901] Image Pymol Jmol Links: PDB, SCOP, CATH
Cullin-4B ; SOLUTION NMR
e3rtrA2[A:686-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CULLIN-1 ; X-RAY DIFFRACTION 3.21Å
e4a0cC3[C:830-913] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CULLIN-4B ; X-RAY DIFFRACTION 3.80Å
e3tduD1[D:702-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-1 ; X-RAY DIFFRACTION 1.5Å
e3tdzD1[D:701-774] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-1 ; X-RAY DIFFRACTION 2.0Å
e3tduC1[C:700-774] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-1 ; X-RAY DIFFRACTION 1.5Å
e3tdzC1[C:701-775] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-1 ; X-RAY DIFFRACTION 2.0Å
e3o6bF2[F:745-815] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cell division control protein 53 ; X-RAY DIFFRACTION 3.1Å
e3o6bB3[B:746-815] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cell division control protein 53 ; X-RAY DIFFRACTION 3.1Å
e3o6bD3[D:746-815] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cell division control protein 53 ; X-RAY DIFFRACTION 3.1Å
e3o6bH3[H:748-815] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cell division control protein 53 ; X-RAY DIFFRACTION 3.1Å
e3o6bJ3[J:746-815] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cell division control protein 53 ; X-RAY DIFFRACTION 3.1Å
e3dqvD6[D:1694-1780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CULLIN-5 ; X-RAY DIFFRACTION 3.0Å
e3dqvC6[C:1694-1780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CULLIN-5 ; X-RAY DIFFRACTION 3.0Å
e3rtrE6[E:687-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CULLIN-1 ; X-RAY DIFFRACTION 3.21Å
e3rtrG6[G:687-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CULLIN-1 ; X-RAY DIFFRACTION 3.21Å
e4a0cE10[E:830-913] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CULLIN-4B ; X-RAY DIFFRACTION 3.80Å
e4a0lH10[H:830-913] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CULLIN-4B ; X-RAY DIFFRACTION 7.40Å
e4a0lE10[E:830-913] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CULLIN-4B ; X-RAY DIFFRACTION 7.40Å
e4p5oA3[A:687-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-1 ; X-RAY DIFFRACTION 3.1Å
e4p5oC3[C:687-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-1 ; X-RAY DIFFRACTION 3.1Å
e3rtrC2[C:687-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CULLIN-1 ; X-RAY DIFFRACTION 3.21Å
e5v89C1[C:703-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-1 ; X-RAY DIFFRACTION 1.550Å
e5n4wA3[A:657-745] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-2 ; X-RAY DIFFRACTION 3.900Å
e6r6hO3[O:656-745] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-2 ; ELECTRON MICROSCOPY
e6r7fO3[O:656-745] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-2 ; ELECTRON MICROSCOPY
e6r7iO4[O:656-745] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-2 ; ELECTRON MICROSCOPY
e6r7nO2[O:656-745] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-2 ; ELECTRON MICROSCOPY
e6ttuC4[C:687-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-1 ; ELECTRON MICROSCOPY
e6v9iC4[C:690-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Immunoglobulin G-binding protein G,Cullin-5 ; ELECTRON MICROSCOPY
e7b5lC3[C:687-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-1 ; ELECTRON MICROSCOPY
e7b5nC3[C:686-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-1 ; ELECTRON MICROSCOPY
e7oniC1[C:693-779] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-5 ; ELECTRON MICROSCOPY
e7okqC2[C:675-759] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-4A ; ELECTRON MICROSCOPY
e7okqG2[G:675-759] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-4A ; ELECTRON MICROSCOPY
e7okqK2[K:675-759] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-4A ; ELECTRON MICROSCOPY
e7okqO2[O:675-759] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-4A ; ELECTRON MICROSCOPY
e7opce2[e:675-759] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-4A ; ELECTRON MICROSCOPY
e7opde2[e:675-759] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-4A ; ELECTRON MICROSCOPY
e7ploS2[S:658-745] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-2 ; ELECTRON MICROSCOPY
e7shkA2[A:658-745] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CULLIN_2 domain-containing protein ; ELECTRON MICROSCOPY
e8cdjC4[C:687-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-1 ; ELECTRON MICROSCOPY
e8cdkC3[C:687-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-1 ; ELECTRON MICROSCOPY
e7z8rC4[C:687-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-1 ; ELECTRON MICROSCOPY
e7z8tC3[C:687-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-1 ; ELECTRON MICROSCOPY
e7z8vC2[C:687-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-1 ; ELECTRON MICROSCOPY
e7zbwC3[C:687-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-1 ; ELECTRON MICROSCOPY
e7zbzC1[C:687-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-1 ; ELECTRON MICROSCOPY
e8or3A4[A:687-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8gq6C1[C:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ligands: ZN ; ELECTRON MICROSCOPY
e8b3ie4[e:692-759] Image Pymol Jmol Links: PDB, SCOP, CATH
; ELECTRON MICROSCOPY
e8h33F2[F:682-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cullin-3 ; ligands: ZN ; ELECTRON MICROSCOPY
e8cafE1[E:698-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; X-RAY DIFFRACTION 2.66Å
![](/ecod/img/p.gif)
Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.
![](/ecod/img/p.gif)
lacks the N-terminal helix, circularly permuted wing
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