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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: Repetitive alpha hairpins
H: ARM repeat
T: ARM repeat
F: ZER1-like_2nd

PF22964

Representatives:

e7ep2A1[A:441-726] * nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zyg-11 homolog B ; X-RAY DIFFRACTION 2.38Å

e7ep5A1[A:514-765] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zer-1 homolog ; X-RAY DIFFRACTION 2.02Å

e7ep1A1[A:479-723] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zyg-11 homolog B ; X-RAY DIFFRACTION 1.85Å

e7ep1B1[B:479-727] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zyg-11 homolog B ; X-RAY DIFFRACTION 1.85Å

e7ep2C1[C:441-726] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zyg-11 homolog B ; X-RAY DIFFRACTION 2.38Å

e7ep2D1[D:441-726] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zyg-11 homolog B ; X-RAY DIFFRACTION 2.38Å

e7ep2B1[B:441-726] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zyg-11 homolog B ; X-RAY DIFFRACTION 2.38Å

e7ep3A1[A:516-759] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zer-1 homolog ; X-RAY DIFFRACTION 1.51Å

e7ep4B1[B:514-758] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zer-1 homolog ; X-RAY DIFFRACTION 2.066Å

e7ep4A1[A:514-757] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zer-1 homolog ; X-RAY DIFFRACTION 2.066Å

e7ep5B1[B:514-757] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zer-1 homolog ; X-RAY DIFFRACTION 2.02Å

e7ep0A1[A:479-728] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zyg-11 homolog B ; ligands: CGO ; X-RAY DIFFRACTION 2.16Å

e7ep0B1[B:479-728] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zyg-11 homolog B ; ligands: CGO ; X-RAY DIFFRACTION 2.16Å

e7xv7A1[A:479-722] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Protein zyg-11 homolog B ; ligands: SO4 ; X-RAY DIFFRACTION 2.6Å

e7xv7B1[B:479-724] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Protein zyg-11 homolog B ; ligands: SO4 ; X-RAY DIFFRACTION 2.6Å

e7xysA1[A:514-759] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zer-1 homolog ; X-RAY DIFFRACTION 1.7Å

e7xysB1[B:514-759] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zer-1 homolog ; X-RAY DIFFRACTION 1.7Å

e7xysD1[D:514-759] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zer-1 homolog ; X-RAY DIFFRACTION 1.7Å

e7xytD1[D:514-761] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zer-1 homolog ; X-RAY DIFFRACTION 1.5Å

e7xytC1[C:514-760] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zer-1 homolog ; X-RAY DIFFRACTION 1.5Å

e7xyuA1[A:516-760] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zer-1 homolog ; X-RAY DIFFRACTION 2.7Å

e7xyvB1[B:479-723] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zyg-11 homolog B ; X-RAY DIFFRACTION 2.52Å

e7xywB1[B:479-723] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zyg-11 homolog B ; X-RAY DIFFRACTION 2.5Å

e7xywA1[A:479-723] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zyg-11 homolog B ; X-RAY DIFFRACTION 2.5Å

e7xyxB1[B:479-723] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zyg-11 homolog B ; X-RAY DIFFRACTION 2.87Å

e7xyxA1[A:479-723] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zyg-11 homolog B ; X-RAY DIFFRACTION 2.87Å

e7xyvA1[A:479-726] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zyg-11 homolog B ; X-RAY DIFFRACTION 2.52Å

e7xyuB1[B:516-759] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zer-1 homolog ; X-RAY DIFFRACTION 2.7Å

e7xysC1[C:514-757] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zer-1 homolog ; X-RAY DIFFRACTION 1.7Å

e7xytA1[A:514-757] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zer-1 homolog ; X-RAY DIFFRACTION 1.5Å

e7xytB1[B:514-757] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zer-1 homolog ; X-RAY DIFFRACTION 1.5Å

e7xyuC1[C:516-757] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zer-1 homolog ; X-RAY DIFFRACTION 2.7Å

e7xyuD1[D:516-756] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein zer-1 homolog ; X-RAY DIFFRACTION 2.7Å

F: Unmapped domains

Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.

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