Evolutionary classification of protein domain structures
alpha arraysalpha-helix arrays with mainly perpendicular helices
alpha bundlesalpha-helix bundles with mainly parallel helices
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Representatives:
e2ahmA1[A:6-78]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
Replicase polyprotein 1ab, light chain ; ligands: GOL ; X-RAY DIFFRACTION 2.3Å
e8gy6C1[C:2-57] Image Pymol Jmol Links: PDB, SCOP, CATH
; ELECTRON MICROSCOPY
e8sq9C1[C:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8sqjC1[C:2-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8sqkC1[C:2-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8urbC1[C:2-71] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e2ahmC1[C:6-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Replicase polyprotein 1ab, light chain ; X-RAY DIFFRACTION 2.3Å
e2ahmB1[B:6-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Replicase polyprotein 1ab, light chain ; X-RAY DIFFRACTION 2.3Å
e2ahmD1[D:6-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Replicase polyprotein 1ab, light chain ; X-RAY DIFFRACTION 2.3Å
e2kysA1[A:1-85] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; SOLUTION NMR
e3ub0B1[B:2-83] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7, nsp7 ; X-RAY DIFFRACTION 2.60Å
e1ysyA2[A:1-85] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Replicase polyprotein 1ab (pp1ab) (ORF1AB) ; SOLUTION NMR
e3ub0C2[C:0-81] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7, nsp7 ; X-RAY DIFFRACTION 2.60Å
e3ub0F2[F:0-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7, nsp7 ; X-RAY DIFFRACTION 2.60Å
e3ub0E2[E:2-82] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7, nsp7 ; X-RAY DIFFRACTION 2.60Å
e5f22A1[A:6-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; X-RAY DIFFRACTION 1.6Å
e6nurC1[C:2-71] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NSP7 ; ELECTRON MICROSCOPY
e6m71C1[C:2-71] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7btfC1[C:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7bv1C1[C:2-64] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7bv2C1[C:2-64] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e6yhuA1[A:1-71] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Replicase polyprotein 1a ; X-RAY DIFFRACTION 2.0Å
e6wiqA1[A:5-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; X-RAY DIFFRACTION 2.85Å
e6wqdA1[A:-2-71] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ligands: EDO ; X-RAY DIFFRACTION 1.85Å
e6yhuC1[C:1-71] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Replicase polyprotein 1a ; X-RAY DIFFRACTION 2.0Å
e6wtcA1[A:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH
Non-structural protein 7 ; ligands: ACY ; X-RAY DIFFRACTION 1.85Å
e6wtcC1[C:0-72] Image Pymol Jmol Links: PDB, SCOP, CATH
Non-structural protein 7 ; ligands: ACY ; X-RAY DIFFRACTION 1.85Å
e6xipC1[C:-1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ligands: EDO ; X-RAY DIFFRACTION 1.5Å
e7bw4C1[C:1-65] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7bzfC1[C:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e6x2gC1[C:2-63] Image Pymol Jmol Links: PDB, SCOP, CATH
e6xipA1[A:-1-70] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ligands: EDO ; X-RAY DIFFRACTION 1.5Å
e7c2kC1[C:0-72] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e6m5iA1[A:1-81] Image Pymol Jmol Links: PDB, SCOP, CATH
Non-structural protein 7 ; X-RAY DIFFRACTION 2.496Å
e6xezC1[C:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e6wqdC1[C:-1-71] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; X-RAY DIFFRACTION 1.85Å
e7cttC1[C:2-64] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e6xqbC1[C:2-63] Image Pymol Jmol Links: PDB, SCOP, CATH
Non-structural protein 7 ; ELECTRON MICROSCOPY
e6yytC1[C:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
nsp7 ; ELECTRON MICROSCOPY
e7jltA1[A:1-79] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; X-RAY DIFFRACTION 2.700Å
e7jltC1[C:1-81] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; X-RAY DIFFRACTION 2.700Å
e7aapC1[C:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7cxmC1[C:2-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7cxnC1[C:2-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7b3bC1[C:1-62] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7b3cC1[C:1-62] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7b3dC1[C:1-62] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SARS-CoV-2 nsp7 ; ELECTRON MICROSCOPY
e7d4fC1[C:2-64] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7l1fD1[D:2-64] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7cyqC1[C:2-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7dcdC1[C:2-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; X-RAY DIFFRACTION 2.57Å
e7krnC1[C:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7dcdA1[A:3-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; X-RAY DIFFRACTION 2.57Å
e7dcdE1[E:3-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; X-RAY DIFFRACTION 2.57Å
e7dcdG1[G:3-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; X-RAY DIFFRACTION 2.57Å
e7kroC1[C:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7krpC1[C:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7egqC1[C:2-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7ozuC1[C:1-62] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7oygC1[C:1-62] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
SARS-CoV-2 nsp7 ; ELECTRON MICROSCOPY
e7egqP1[P:2-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7eizC1[C:2-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7oygF1[F:1-62] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
SARS-CoV-2 nsp7 ; ELECTRON MICROSCOPY
e7ozvC1[C:1-62] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7dfgC1[C:2-70] Image Pymol Jmol Links: PDB, SCOP, CATH
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7dfhC1[C:2-64] Image Pymol Jmol Links: PDB, SCOP, CATH
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7doiC1[C:2-70] Image Pymol Jmol Links: PDB, SCOP, CATH
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7dokC1[C:2-70] Image Pymol Jmol Links: PDB, SCOP, CATH
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7dteC1[C:0-72] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7rdxC1[C:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7rdyC1[C:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7rdzC1[C:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7re0C1[C:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7re1C1[C:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7re2C1[C:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7re3C1[C:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7re3I1[I:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7thmC1[C:7-58] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7lhqA1[A:1-84] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Non-structural protein 7 ; SOLUTION NMR
e7ed5C1[C:2-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e8gwbC1[C:2-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e8gweC1[C:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e8gwfC1[C:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e8gwgC1[C:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e8gwiC1[C:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e8gwnC1[C:2-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e8gwoC1[C:2-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7uo4C1[C:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7uo7C1[C:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7uo9C1[C:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7uobC1[C:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e7uoeC1[C:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Non-structural protein 7 ; ELECTRON MICROSCOPY
e8g6rC1[C:2-63] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
nsp7 ; ELECTRON MICROSCOPY
e8gw1C1[C:2-73] 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