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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

X: XRCC4 C-terminal oligomerization domain
H: XRCC4 C-terminal oligomerization domain
T: XRCC4 C-terminal oligomerization domain
F: XRCC4_CC

PF21924

Representatives:

e1ik9A4[A:118-211] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA REPAIR PROTEIN XRCC4 ; X-RAY DIFFRACTION 2.30Å

e5wlzB2[B:118-1739] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4,Myosin-7 ; X-RAY DIFFRACTION 3.5Å

e8bh3H2[H:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8bh3P1[P:117-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8bh3Q2[Q:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8bhvK2[K:117-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8bhvL1[L:117-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8bhvN2[N:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8bhvO1[O:117-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8bhyG2[G:117-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8bhyH1[H:117-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8bhyP2[P:117-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8bhyQ3[Q:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8botL3[L:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8botN2[N:117-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8botO1[O:117-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8ezaG1[G:117-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8ezaO2[O:118-201,O:267-278] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8ezaP1[P:117-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8ezbF2[F:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8ezbG3[G:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8ezbO1[O:117-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8ezbP3[P:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e1fu1A3[A:118-178] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA REPAIR PROTEIN XRCC4 ; ligands: ACY ; X-RAY DIFFRACTION 2.6Å

e1fu1B3[B:518-603] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA REPAIR PROTEIN XRCC4 ; X-RAY DIFFRACTION 2.6Å

e3ii6A3[A:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

DNA repair protein XRCC4 ; X-RAY DIFFRACTION 2.29Å

e3ii6B3[B:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

DNA repair protein XRCC4 ; X-RAY DIFFRACTION 2.29Å

e3ii6C3[C:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

DNA repair protein XRCC4 ; X-RAY DIFFRACTION 2.29Å

e3ii6D3[D:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

DNA repair protein XRCC4 ; X-RAY DIFFRACTION 2.29Å

e1ik9B3[B:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA REPAIR PROTEIN XRCC4 ; X-RAY DIFFRACTION 2.30Å

e6aboA3[A:118-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4 ; X-RAY DIFFRACTION 2.65Å

e7lt3F2[F:117-201,F:267-278] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4 ; ELECTRON MICROSCOPY

e7lsyF2[F:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4 ; ELECTRON MICROSCOPY

e7lsyG1[G:117-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4 ; ELECTRON MICROSCOPY

e7lsyO1[O:117-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4 ; ELECTRON MICROSCOPY

e7lsyP3[P:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4 ; ELECTRON MICROSCOPY

e7lt3G2[G:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4 ; ELECTRON MICROSCOPY

e7lt3O1[O:117-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4 ; ELECTRON MICROSCOPY

e7lt3P2[P:118-201,P:267-278] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4 ; ELECTRON MICROSCOPY

e7nfcK1[K:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4 ; ELECTRON MICROSCOPY

e7nfcL1[L:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4 ; ELECTRON MICROSCOPY

e7nfcN1[N:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4 ; ELECTRON MICROSCOPY

e7nfcO1[O:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4 ; ELECTRON MICROSCOPY

e7nfeH1[H:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4 ; ELECTRON MICROSCOPY

e7nfeI1[I:118-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4 ; ELECTRON MICROSCOPY

e8bh3G2[G:117-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8ezaF2[F:117-201,F:267-278] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8botK1[K:117-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e3sr2B1[B:118-140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA REPAIR PROTEIN XRCC4 ; X-RAY DIFFRACTION 3.97Å

e3sr2E1[E:118-140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA REPAIR PROTEIN XRCC4 ; X-RAY DIFFRACTION 3.97Å

e3sr2F3[F:118-140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA REPAIR PROTEIN XRCC4 ; X-RAY DIFFRACTION 3.97Å

e3rwrA1[A:118-147] Image Pymol Jmol Links: PDB, SCOP, CATH

DNA repair protein XRCC4 ; X-RAY DIFFRACTION 3.9Å

e4xa4A1[A:117-1580] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Xrcc4-MYH7(1551-1609) chimera protein ; X-RAY DIFFRACTION 2.327Å

e4xa4B2[B:118-1580] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Xrcc4-MYH7(1551-1609) chimera protein ; X-RAY DIFFRACTION 2.327Å

e3w03C1[C:118-164] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA REPAIR PROTEIN XRCC4 ; X-RAY DIFFRACTION 8.49Å

e3w03D2[D:118-164] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA REPAIR PROTEIN XRCC4 ; X-RAY DIFFRACTION 8.49Å

e3sr2A2[A:118-139] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA REPAIR PROTEIN XRCC4 ; X-RAY DIFFRACTION 3.97Å

e3rwrB1[B:618-657] Image Pymol Jmol Links: PDB, SCOP, CATH

DNA repair protein XRCC4 ; X-RAY DIFFRACTION 3.9Å

e3rwrF1[F:118-157] Image Pymol Jmol Links: PDB, SCOP, CATH

DNA repair protein XRCC4 ; X-RAY DIFFRACTION 3.9Å

e3rwrG3[G:618-657] Image Pymol Jmol Links: PDB, SCOP, CATH

DNA repair protein XRCC4 ; X-RAY DIFFRACTION 3.9Å

e3rwrJ2[J:118-157] Image Pymol Jmol Links: PDB, SCOP, CATH

DNA repair protein XRCC4 ; ligands: TBR ; X-RAY DIFFRACTION 3.9Å

e3rwrK3[K:618-657] Image Pymol Jmol Links: PDB, SCOP, CATH

DNA repair protein XRCC4 ; X-RAY DIFFRACTION 3.9Å

e3rwrN2[N:118-157] Image Pymol Jmol Links: PDB, SCOP, CATH

DNA repair protein XRCC4 ; X-RAY DIFFRACTION 3.9Å

e3rwrP3[P:618-657] Image Pymol Jmol Links: PDB, SCOP, CATH

DNA repair protein XRCC4 ; X-RAY DIFFRACTION 3.9Å

e3rwrR1[R:118-157] Image Pymol Jmol Links: PDB, SCOP, CATH

DNA repair protein XRCC4 ; X-RAY DIFFRACTION 3.9Å

e3rwrV1[V:618-657] Image Pymol Jmol Links: PDB, SCOP, CATH

DNA repair protein XRCC4 ; X-RAY DIFFRACTION 3.9Å

e3rwrU3[U:118-157] Image Pymol Jmol Links: PDB, SCOP, CATH

DNA repair protein XRCC4 ; X-RAY DIFFRACTION 3.9Å

e3rwrY3[Y:618-657] Image Pymol Jmol Links: PDB, SCOP, CATH

DNA repair protein XRCC4 ; ligands: TBR ; X-RAY DIFFRACTION 3.9Å

e3q4fC3[C:118-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4 ; X-RAY DIFFRACTION 5.5Å

e3q4fD1[D:118-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4 ; X-RAY DIFFRACTION 5.5Å

e3q4fG1[G:118-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4 ; X-RAY DIFFRACTION 5.5Å

e3q4fH1[H:118-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4 ; X-RAY DIFFRACTION 5.5Å

e7m3pB1[B:118-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Xrcc4-Spc110p(164-207) ; X-RAY DIFFRACTION 2.0Å

e7m3pA2[A:117-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Xrcc4-Spc110p(164-207) ; X-RAY DIFFRACTION 2.0Å

e5cj4B2[B:117-1580] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Xrcc4-MYH7-(1562-1622) chimera protein ; X-RAY DIFFRACTION 3.1Å

e5cj4C3[C:117-1580] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Xrcc4-MYH7-(1562-1622) chimera protein ; X-RAY DIFFRACTION 3.1Å

e5cj4A1[A:118-1580] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Xrcc4-MYH7-(1562-1622) chimera protein ; X-RAY DIFFRACTION 3.1Å

e5cj4D1[D:118-1580] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Xrcc4-MYH7-(1562-1622) chimera protein ; X-RAY DIFFRACTION 3.1Å

e3mudA2[A:118-284] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4,Tropomyosin alpha-1 chain ; X-RAY DIFFRACTION 2.2Å

e3mudB1[B:118-283] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA repair protein XRCC4,Tropomyosin alpha-1 chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.2Å

e5cj0A2[A:117-1689] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Xrcc4-MYH7-(1631-1692) chimera protein ; X-RAY DIFFRACTION 2.27Å

e5cj0B2[B:118-1689] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Xrcc4-MYH7-(1631-1692) chimera protein ; X-RAY DIFFRACTION 2.27Å

e5chxA2[A:118-1654] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Xrcc4-MYH7-1590-1657 ; X-RAY DIFFRACTION 2.1Å

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 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