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




Representatives:
e1vnsA2[A:235-577]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
VANADIUM CHLOROPEROXIDASE ; ligands: SO4 ; X-RAY DIFFRACTION 1.66Å
e1up8A1[A:1-597] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VANADIUM-DEPENDENT BROMOPEROXIDASE 1 ; ligands: CA,PO4 ; X-RAY DIFFRACTION 2.2Å
e1up8B1[B:1-597] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VANADIUM-DEPENDENT BROMOPEROXIDASE 1 ; ligands: CA,PO4 ; X-RAY DIFFRACTION 2.2Å
e1up8C1[C:1-597] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VANADIUM-DEPENDENT BROMOPEROXIDASE 1 ; ligands: CA,PO4 ; X-RAY DIFFRACTION 2.2Å
e1up8D1[D:1-597] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VANADIUM-DEPENDENT BROMOPEROXIDASE 1 ; ligands: CA,PO4 ; X-RAY DIFFRACTION 2.2Å
e1qhbB1[B:2-596] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HALOPEROXIDASE ; ligands: CA,PO4 ; X-RAY DIFFRACTION 2.3Å
e1qhbC1[C:2-596] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HALOPEROXIDASE ; ligands: CA,PO4 ; X-RAY DIFFRACTION 2.3Å
e1qhbD1[D:2-596] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HALOPEROXIDASE ; ligands: CA,PO4 ; X-RAY DIFFRACTION 2.3Å
e1qhbE1[E:2-596] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HALOPEROXIDASE ; ligands: CA,PO4 ; X-RAY DIFFRACTION 2.3Å
e1qhbF1[F:2-596] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HALOPEROXIDASE ; ligands: CA,PO4 ; X-RAY DIFFRACTION 2.3Å
e1vnhA3[A:235-577] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VANADIUM CHLOROPEROXIDASE ; ligands: VO4 ; X-RAY DIFFRACTION 2.11Å
e1vngA3[A:235-577] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VANADIUM CHLOROPEROXIDASE ; ligands: VO4 ; X-RAY DIFFRACTION 2.20Å
e1vnfA3[A:235-577] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VANADIUM CHLOROPEROXIDASE ; ligands: VO4 ; X-RAY DIFFRACTION 2.35Å
e1vniA3[A:235-577] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VANADIUM CHLOROPEROXIDASE ; ligands: VO4 ; X-RAY DIFFRACTION 2.15Å
e1iduA3[A:235-578] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
VANADIUM CHLOROPEROXIDASE ; ligands: VO4 ; X-RAY DIFFRACTION 2.24Å
e1idqA3[A:235-577] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
VANADIUM CHLOROPEROXIDASE ; ligands: VO4 ; X-RAY DIFFRACTION 2.031Å
e1vncA3[A:235-578] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VANADIUM-CONTAINING CHLOROPEROXIDASE ; ligands: AZI,VO4 ; X-RAY DIFFRACTION 2.1Å
e1vneA3[A:235-577] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VANADIUM CHLOROPEROXIDASE ; ligands: VO4 ; X-RAY DIFFRACTION 2.15Å
e3bb0A3[A:235-579] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Vanadium chloroperoxidase ; ligands: PO3 ; X-RAY DIFFRACTION 1.50Å
e4citA1[A:209-447] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VANADIUM-DEPENDENT HALOPEROXIDASE ; ligands: VO4 ; X-RAY DIFFRACTION 1.80Å
e4uszA2[A:209-446] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VANADIUM-DEPENDENT HALOPEROXIDASE ; ligands: VO4 ; X-RAY DIFFRACTION 2.00Å

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