Evolutionary classification of protein domain structures
alpha arraysalpha-helix arrays with mainly perpendicular helices
alpha bundlesalpha-helix bundles with mainly parallel helices
Representatives:
e1k8kE1[E:2-175] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ARP2/3 COMPLEX 21 KDA SUBUNIT ; X-RAY DIFFRACTION 2.0Å
e2p9lE1[E:2-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; X-RAY DIFFRACTION 2.650Å
e2p9pE1[E:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; X-RAY DIFFRACTION 2.900Å
e2p9nE1[E:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; X-RAY DIFFRACTION 2.850Å
e2p9sE1[E:2-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; X-RAY DIFFRACTION 2.68Å
e2p9iE1[E:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; X-RAY DIFFRACTION 2.430Å
e2p9uE1[E:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; X-RAY DIFFRACTION 2.750Å
e1tyqE1[E:2-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ARP2/3 COMPLEX 21KDA SUBUNIT ; X-RAY DIFFRACTION 2.55Å
e1u2vE1[E:2-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Arp2/3 Complex 21Kda Subunit ; X-RAY DIFFRACTION 2.55Å
e2p9kE1[E:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; X-RAY DIFFRACTION 2.580Å
e3dxkE1[E:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACTIN-RELATED PROTEIN 2/3 COMPLEX SUBUNIT 3 ; X-RAY DIFFRACTION 2.7Å
e3uleE1[E:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH
Actin-related protein 2/3 complex subunit 3 ; X-RAY DIFFRACTION 2.500Å
e3dxmE1[E:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACTIN-RELATED PROTEIN 2/3 COMPLEX SUBUNIT 3 ; X-RAY DIFFRACTION 2.85Å
e3rseE1[E:2-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACTIN-RELATED PROTEIN 2/3 COMPLEX SUBUNIT 3 ; X-RAY DIFFRACTION 2.65Å
e3ukuE1[E:1-173] Image Pymol Jmol Links: PDB, SCOP, CATH
Actin-related protein 2/3 complex subunit 3 ; X-RAY DIFFRACTION 2.75Å
e3ukrE1[E:1-173] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; X-RAY DIFFRACTION 2.48Å
e3dwlJ1[J:44-97,J:137-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACTIN-RELATED PROTEIN 2/3 COMPLEX SUBUNIT 3 ; X-RAY DIFFRACTION 3.78Å
e4jd2E1[E:2-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; X-RAY DIFFRACTION 3.08Å
e4xeiE1[E:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; X-RAY DIFFRACTION 3.874Å
e4xf2E1[E:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; X-RAY DIFFRACTION 5.0Å
e4xf2X1[X:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; X-RAY DIFFRACTION 5.0Å
e6decE1[E:2-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; X-RAY DIFFRACTION 4.6Å
e6decL1[L:16-101,L:122-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; X-RAY DIFFRACTION 4.6Å
e6uhcE1[E:2-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; ELECTRON MICROSCOPY
e6yw6E1[E:6-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; ELECTRON MICROSCOPY
e6w17E1[E:1-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; ELECTRON MICROSCOPY
e6w18E1[E:1-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; ELECTRON MICROSCOPY
e6yw7E1[E:6-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; ELECTRON MICROSCOPY
e7aqke1[e:1-178] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3, ArpC3 ; ELECTRON MICROSCOPY
e7jpnE1[E:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; ELECTRON MICROSCOPY
e7tptE1[E:2-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; ELECTRON MICROSCOPY
e8e9bE1[E:2-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Actin-related protein 2/3 complex subunit 3 ; ELECTRON MICROSCOPY
e7t5qE1[E:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH
; ELECTRON MICROSCOPY
e8tahE1[E:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
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