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




Representatives:
e2o70A1[A:2-166]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
OHCU DECARBOXYLASE ; X-RAY DIFFRACTION 1.8Å
e2q37A1[A:6-160]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
OHCU DECARBOXYLASE ; ligands: 3AL ; X-RAY DIFFRACTION 2.5Å
e2o70D1[D:2-165] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; X-RAY DIFFRACTION 1.8Å
e2o73A1[A:2-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; ligands: 2AL ; X-RAY DIFFRACTION 1.8Å
e2o70B1[B:2-165] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; X-RAY DIFFRACTION 1.8Å
e2o74D1[D:2-165] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; ligands: GUN ; X-RAY DIFFRACTION 1.8Å
e2o70F1[F:2-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; X-RAY DIFFRACTION 1.8Å
e2o74C1[C:2-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; ligands: GUN ; X-RAY DIFFRACTION 1.8Å
e2o73F1[F:2-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; ligands: 2AL ; X-RAY DIFFRACTION 1.8Å
e2o73B1[B:2-165] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; ligands: 2AL ; X-RAY DIFFRACTION 1.8Å
e2o70E1[E:2-165] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; X-RAY DIFFRACTION 1.8Å
e2o73D1[D:2-165] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; ligands: 2AL ; X-RAY DIFFRACTION 1.8Å
e2o74F1[F:2-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; ligands: GUN ; X-RAY DIFFRACTION 1.8Å
e2o70C1[C:2-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; X-RAY DIFFRACTION 1.8Å
e2o74E1[E:2-165] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; ligands: GUN ; X-RAY DIFFRACTION 1.8Å
e2o74B1[B:2-165] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; ligands: GUN ; X-RAY DIFFRACTION 1.8Å
e2o74A1[A:2-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; ligands: GUN ; X-RAY DIFFRACTION 1.8Å
e2o73E1[E:2-165] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; ligands: 2AL ; X-RAY DIFFRACTION 1.8Å
e2o73C1[C:2-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; ligands: 2AL ; X-RAY DIFFRACTION 1.8Å
e3o7hA1[A:1-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; X-RAY DIFFRACTION 1.79Å
e3o7iA1[A:1-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU decarboxylase ; X-RAY DIFFRACTION 1.50Å
e3o7hB1[B:1-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; X-RAY DIFFRACTION 1.79Å
e3o7jA1[A:1-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU DECARBOXYLASE ; ligands: 2AL ; X-RAY DIFFRACTION 2.0Å
e3o7kA1[A:1-66,A:94-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU decarboxylase ; X-RAY DIFFRACTION 1.98Å
e3o7iB2[B:1-73,B:93-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
OHCU decarboxylase ; X-RAY DIFFRACTION 1.50Å
e5uouA1[A:1-166] Image Pymol Jmol Links: PDB, SCOP, CATH
2-oxo-4-hydroxy-4-carboxy-5-ureidoimidazoline (OHCU) decarboxylase ; X-RAY DIFFRACTION 1.500Å
e5z5mB1[B:5-78,B:102-176] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Predicted protein ; X-RAY DIFFRACTION 1.850Å
e5z5mC1[C:4-78,C:103-176] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Predicted protein ; X-RAY DIFFRACTION 1.850Å
e5z5mD1[D:4-78,D:103-176] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Predicted protein ; X-RAY DIFFRACTION 1.850Å
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