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X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative


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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

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

X: 26S proteasome regulatory subunits C-terminal helices
H: 26S proteasome regulatory subunit RPN7 C-terminal helix
T: 26S proteasome regulatory subunit RPN7 C-terminal helix
F: RPN7_PSMD6_C

PF21154

Representatives:

e3j47R1[R:397-422] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e5gjqR2[R:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e4cr2R1[R:397-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S PROTEASOME REGULATORY SUBUNIT RPN7 ; ELECTRON MICROSCOPY

e4cr3R3[R:397-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S PROTEASOME REGULATORY SUBUNIT RPN7 ; ELECTRON MICROSCOPY

e4cr4R3[R:397-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S PROTEASOME REGULATORY SUBUNIT RPN7 ; ELECTRON MICROSCOPY

e5a5bR3[R:397-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S PROTEASOME REGULATORY SUBUNIT RPN7 ; ELECTRON MICROSCOPY

e3jckD3[D:397-424] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e3jcoR2[R:397-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e3jcpR3[R:397-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e5l4kR2[R:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5gjrR3[R:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5gjr52[5:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5t0gY3[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5t0hY2[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5t0iY1[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5t0jY2[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5t0cAY3[AY:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5t0cBY1[BY:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5mpdR3[R:397-424] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e5mpeR1[R:397-424] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e5mpbR1[R:397-424] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e5mpcR1[R:397-424] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e5wviR1[R:397-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e5wvkR1[R:397-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e5ln3R3[R:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5m32m2[m:363-388] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5vgzY2[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5vhfY1[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5vhhY2[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5vhiY1[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5vhsY2[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e6epcR2[R:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proteasome (Prosome, macropain) 26S subunit, non-ATPase, 6 ; ELECTRON MICROSCOPY

e6epdR1[R:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proteasome (Prosome, macropain) 26S subunit, non-ATPase, 6 ; ELECTRON MICROSCOPY

e6epeR3[R:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proteasome (Prosome, macropain) 26S subunit, non-ATPase, 6 ; ELECTRON MICROSCOPY

e6epfR3[R:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proteasome (Prosome, macropain) 26S subunit, non-ATPase, 6 ; ELECTRON MICROSCOPY

e6fvtR1[R:397-424] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e6fvwR2[R:397-424] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e5vfpY3[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5vfqY1[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5vfrY3[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5vfsY2[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5vftY1[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e5vfuY1[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e6fvuR3[R:397-424] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e6fvvR2[R:397-424] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e6fvxR3[R:397-424] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e6fvyR2[R:397-424] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e6mseY2[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e6msgY1[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e6mshY2[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e6msjY2[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e6mskY1[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e6msbY1[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e6msdY3[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e6j2cR3[R:397-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e6j2qR3[R:397-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e6j2xR2[R:397-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e6j2nR1[R:397-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e6j30R2[R:397-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e6wjdY1[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e6wjnY1[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7qo5R3[R:397-424] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e7w37Y2[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7w38Y1[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7w39Y1[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7w3aY2[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7w3bY2[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7w3cY2[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7w3fY1[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7w3gY1[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7w3hY2[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7w3iY2[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7w3jY3[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7w3kY2[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7w3mY3[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e8amzR1[R:360-386] Image Pymol Jmol Links: PDB, SCOP, CATH

PCI domain-containing protein ; ELECTRON MICROSCOPY

e7qo3R3[R:397-424] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e7qo6R2[R:397-424] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome regulatory subunit RPN7 ; ELECTRON MICROSCOPY

e8cvtY3[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7qxnY3[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7qxpY1[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7qxuY2[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7qxwY1[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7qxxY1[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7qy7Y3[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7qyaY2[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY

e7qybY2[Y:363-389] Image Pymol Jmol Links: PDB, SCOP, CATH

26S proteasome non-ATPase regulatory subunit 6 ; ELECTRON MICROSCOPY