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X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative

Keyword search

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: PSMD12-CSN4_N

PF22241

Representatives:

e4d10D1[D:1-292] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COP9 SIGNALOSOME COMPLEX SUBUNIT 4 ; X-RAY DIFFRACTION 3.80Å

e8h3aD2[D:1-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COP9 signalosome complex subunit 4 ; ELECTRON MICROSCOPY

e8h3fD2[D:1-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COP9 signalosome complex subunit 4 ; ELECTRON MICROSCOPY

e5gjqP3[P:5-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e4d0pA1[A:-8-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COP9 SIGNALOSOME COMPLEX SUBUNIT 4 ; ligands: CL,EDO ; X-RAY DIFFRACTION 1.60Å

e4d18D1[D:1-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COP9 SIGNALOSOME COMPLEX SUBUNIT 4 ; X-RAY DIFFRACTION 4.08Å

e4d18L1[L:1-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COP9 SIGNALOSOME COMPLEX SUBUNIT 4 ; X-RAY DIFFRACTION 4.08Å

e4cr2P3[P:28-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S PROTEASOME REGULATORY SUBUNIT RPN5 ; ELECTRON MICROSCOPY

e4cr3P3[P:28-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S PROTEASOME REGULATORY SUBUNIT RPN5 ; ELECTRON MICROSCOPY

e4cr4P3[P:28-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S PROTEASOME REGULATORY SUBUNIT RPN5 ; ELECTRON MICROSCOPY

e5a5bP1[P:28-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S PROTEASOME REGULATORY SUBUNIT RPN5 ; ELECTRON MICROSCOPY

e4b4tP2[P:28-337] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4c0vP2[P:28-337] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4wsnD1[D:1-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COP9 signalosome complex subunit 4 ; X-RAY DIFFRACTION 5.500Å

e4wsnL1[L:1-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COP9 signalosome complex subunit 4 ; X-RAY DIFFRACTION 5.500Å

e4wsnT1[T:1-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COP9 signalosome complex subunit 4 ; X-RAY DIFFRACTION 5.500Å

e4wsnb2[b:1-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COP9 signalosome complex subunit 4 ; X-RAY DIFFRACTION 5.500Å

e4wsnj2[j:1-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COP9 signalosome complex subunit 4 ; X-RAY DIFFRACTION 5.500Å

e4wsnr1[r:1-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COP9 signalosome complex subunit 4 ; X-RAY DIFFRACTION 5.500Å

e3jckB1[B:31-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ligands: ZN ; ELECTRON MICROSCOPY

e3jcoP2[P:5-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e3jcpP1[P:5-25,P:28-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e5l4kP2[P:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5gjrP1[P:5-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5gjr32[3:5-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5t0gW1[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5t0iW1[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5t0jW3[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5t0cAW2[AW:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5t0cBW3[BW:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5t0hW3[W:221-353] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5mpdP2[P:1-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e5mpeP3[P:1-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e5mpbP2[P:1-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e5mpcP1[P:1-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e5wviP2[P:11-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e5wvkP2[P:11-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e5ln3P2[P:35-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5m32k1[k:38-242,k:268-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5vgzW3[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5vhfW1[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5vhhW3[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5vhiW1[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5vhsW1[W:66-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e6epcP2[P:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proteasome (Prosome, macropain) 26S subunit, non-ATPase, 12 ; ELECTRON MICROSCOPY

e6epdP3[P:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proteasome (Prosome, macropain) 26S subunit, non-ATPase, 12 ; ELECTRON MICROSCOPY

e6epeP3[P:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proteasome (Prosome, macropain) 26S subunit, non-ATPase, 12 ; ELECTRON MICROSCOPY

e6epfP3[P:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proteasome (Prosome, macropain) 26S subunit, non-ATPase, 12 ; ELECTRON MICROSCOPY

e6fvtP2[P:1-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e6fvwP2[P:1-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e5vfpW2[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5vfqW2[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5vfrW3[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5vfsW1[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5vfuW2[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e5vftW1[W:221-353] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e6fvuP3[P:1-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e6fvvP3[P:1-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e6fvxP2[P:1-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e6fvyP2[P:1-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e6mseW1[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e6msgW1[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e6mshW1[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e6msjW2[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e6mskW3[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e6msbW2[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e6msdW2[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e6j2cP2[P:11-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e6j2qP1[P:11-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e6j2xP1[P:11-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S PROTEASOME REGULATORY SUBUNIT RPN5 ; ELECTRON MICROSCOPY

e6j2nP1[P:11-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e6j30P1[P:11-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e6r6hD3[D:1-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COP9 signalosome complex subunit 4 ; ELECTRON MICROSCOPY

e6r7fD3[D:1-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COP9 signalosome complex subunit 4 ; ELECTRON MICROSCOPY

e6r7hD3[D:1-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COP9 signalosome complex subunit 4 ; ELECTRON MICROSCOPY

e6r7iD1[D:0-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COP9 signalosome complex subunit 4 ; ELECTRON MICROSCOPY

e6r7nD3[D:1-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COP9 signalosome complex subunit 4 ; ELECTRON MICROSCOPY

e6wjdW3[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e6wjnW2[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7qo5P2[P:1-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e7w37W3[W:11-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7w38W3[W:11-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7w39W3[W:11-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7w3aW2[W:11-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7w3bW1[W:11-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7w3cW3[W:11-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7w3fW3[W:11-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7w3gW3[W:11-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7w3hW2[W:11-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7w3iW2[W:11-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7w3jW2[W:11-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7w3kW2[W:11-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7w3mW1[W:11-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7qo3P1[P:1-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e7qo6P2[P:1-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN5 ; ELECTRON MICROSCOPY

e8amzP2[P:1-185,P:207-329] Image Pymol Jmol Links: PDB, SCOP, CATH

PCI domain-containing protein ; ELECTRON MICROSCOPY

e8cvtW3[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7qxnW1[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7qxpW1[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7qxuW2[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7qxwW2[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7qy7W2[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7qyaW1[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e7qybW2[W:1-341] Image Pymol Jmol Links: PDB, SCOP, CATH

26S proteasome non-ATPase regulatory subunit 12 ; ELECTRON MICROSCOPY

e8h38D1[D:1-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COP9 signalosome complex subunit 4 ; ELECTRON MICROSCOPY

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