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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

X: beta-propeller-like
H: beta-propeller
T: 6-bladed
F: Mcl1_mid

PF12341 CL0186

Representatives:

e4c8sB1[B:474-780] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA POLYMERASE ALPHA-BINDING PROTEIN ; X-RAY DIFFRACTION 3.0Å

e8b9aL2[L:473-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8b9aK2[K:473-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8b9bH1[H:473-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8b9bL2[L:473-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8b9bK2[K:473-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8b9dJ2[J:421-715] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8b9dI2[I:421-715] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e4c8hA1[A:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CTF4 ; X-RAY DIFFRACTION 2.69Å

e4c8sC1[C:474-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA POLYMERASE ALPHA-BINDING PROTEIN ; X-RAY DIFFRACTION 3.0Å

e4c93C1[C:474-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA POLYMERASE ALPHA-BINDING PROTEIN ; X-RAY DIFFRACTION 2.69Å

e4c95C1[C:474-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA POLYMERASE ALPHA-BINDING PROTEIN ; X-RAY DIFFRACTION 2.69Å

e4c8hB1[B:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CTF4 ; X-RAY DIFFRACTION 2.69Å

e4c8hC1[C:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CTF4 ; X-RAY DIFFRACTION 2.69Å

e4c8sA1[A:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA POLYMERASE ALPHA-BINDING PROTEIN ; X-RAY DIFFRACTION 3.0Å

e4c93A1[A:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA POLYMERASE ALPHA-BINDING PROTEIN ; X-RAY DIFFRACTION 2.69Å

e4c93B1[B:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA POLYMERASE ALPHA-BINDING PROTEIN ; X-RAY DIFFRACTION 2.69Å

e4c95A1[A:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA POLYMERASE ALPHA-BINDING PROTEIN ; X-RAY DIFFRACTION 2.69Å

e4c95B1[B:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA POLYMERASE ALPHA-BINDING PROTEIN ; X-RAY DIFFRACTION 2.69Å

e5hogC1[C:474-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; X-RAY DIFFRACTION 3.09Å

e5hoiC1[C:474-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; X-RAY DIFFRACTION 3.3Å

e5hogA2[A:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; X-RAY DIFFRACTION 3.09Å

e5hogB2[B:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; X-RAY DIFFRACTION 3.09Å

e5hoiA2[A:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; X-RAY DIFFRACTION 3.3Å

e5hoiB1[B:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; X-RAY DIFFRACTION 3.3Å

e5gvbA1[A:424-715] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WD repeat and HMG-box DNA-binding protein 1 ; X-RAY DIFFRACTION 2.750Å

e5nxqC1[C:474-776] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; X-RAY DIFFRACTION 2.413Å

e5nxqA2[A:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; X-RAY DIFFRACTION 2.413Å

e5nxqB1[B:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; ligands: GOL ; X-RAY DIFFRACTION 2.413Å

e5ogsA2[A:421-715] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WD repeat and HMG-box DNA-binding protein 1 ; ligands: MLI ; X-RAY DIFFRACTION 2.503Å

e6ptjG2[G:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; ELECTRON MICROSCOPY

e6ptjE2[E:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; ELECTRON MICROSCOPY

e6ptjF2[F:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; ELECTRON MICROSCOPY

e6ptnE2[E:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; ELECTRON MICROSCOPY

e6ptnF1[F:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; ELECTRON MICROSCOPY

e6ptnG2[G:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; ELECTRON MICROSCOPY

e6ptoX2[X:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; ELECTRON MICROSCOPY

e6ptoY1[Y:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; ELECTRON MICROSCOPY

e6ptoZ1[Z:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; ELECTRON MICROSCOPY

e6sklF2[F:473-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; ELECTRON MICROSCOPY

e6sklG1[G:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; ELECTRON MICROSCOPY

e6sklH1[H:473-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; ELECTRON MICROSCOPY

e6xtyF1[F:421-715] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WD repeat and HMG-box DNA-binding protein 1 ; ELECTRON MICROSCOPY

e6xtyG1[G:421-715] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WD repeat and HMG-box DNA-binding protein 1 ; ELECTRON MICROSCOPY

e6xtyH2[H:421-715] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WD repeat and HMG-box DNA-binding protein 1 ; ELECTRON MICROSCOPY

e7pfoH1[H:423-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WD repeat and HMG-box DNA-binding protein 1 ; ELECTRON MICROSCOPY

e7pfoI1[I:423-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WD repeat and HMG-box DNA-binding protein 1 ; ELECTRON MICROSCOPY

e7ploI1[I:423-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WD repeat and HMG-box DNA-binding protein 1 ; ELECTRON MICROSCOPY

e7ploJ1[J:423-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WD repeat and HMG-box DNA-binding protein 1 ; ELECTRON MICROSCOPY

e7pmkH1[H:473-790] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; ELECTRON MICROSCOPY

e7pmkF1[F:473-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; ELECTRON MICROSCOPY

e7pmnF1[F:473-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; ELECTRON MICROSCOPY

e7pmkG1[G:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; ELECTRON MICROSCOPY

e7pmnG2[G:474-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; ELECTRON MICROSCOPY

e7pmnH1[H:473-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA polymerase alpha-binding protein ; ELECTRON MICROSCOPY

e7pfoJ1[J:423-715] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WD repeat and HMG-box DNA-binding protein 1 ; ELECTRON MICROSCOPY

e7ploH2[H:423-715] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WD repeat and HMG-box DNA-binding protein 1 ; ELECTRON MICROSCOPY

e8b9aH2[H:473-780] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8b9dH2[H:421-715] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; 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.

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