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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

X: HTH
H: HTH
T: tri-helical
F: CPSF_A

PF03178 CL0186

Representatives:

e3ei1A4[A:1045-1140] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; X-RAY DIFFRACTION 2.800Å

e7oopd3[d:1045-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e7opcd3[d:1045-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e7opdd3[d:1045-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e7onbA1[A:1133-1217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Splicing factor 3B subunit 3 ; ELECTRON MICROSCOPY

e7oo3d4[d:1020-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e7q3lC3[C:1133-1217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Splicing factor 3B subunit 3 ; ELECTRON MICROSCOPY

e7q4pC3[C:1133-1217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Splicing factor 3B subunit 3 ; ELECTRON MICROSCOPY

e8cvpA3[A:1020-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e8d7uA3[A:1020-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e8d7vA4[A:1020-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e8d7wA4[A:1020-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e8d7xA3[A:1020-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e8d7yA4[A:1020-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e8d7zA2[A:1020-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e8d80A4[A:1020-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e7uknA4[A:1020-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; X-RAY DIFFRACTION 2.87Å

e7v7bB2[B:1020-1140] Image Pymol Jmol Links: PDB, SCOP, CATH

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e7v7bD4[D:1020-1140] Image Pymol Jmol Links: PDB, SCOP, CATH

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e7v7cB2[B:1020-1140] Image Pymol Jmol Links: PDB, SCOP, CATH

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e7v7cF4[F:1020-1140] Image Pymol Jmol Links: PDB, SCOP, CATH

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e8d81A2[A:1045-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e7q4oC2[C:1133-1217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Splicing factor 3B subunit 3 ; ELECTRON MICROSCOPY

e7evnA3[A:1133-1217] Image Pymol Jmol Links: PDB, SCOP, CATH

Splicing factor 3B subunit 3 ; ELECTRON MICROSCOPY

e7evo31[3:1133-1217] Image Pymol Jmol Links: PDB, SCOP, CATH

Splicing factor 3B subunit 3 ; ELECTRON MICROSCOPY

e8ajmA2[A:1045-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e8ajnA2[A:1045-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e8ajoA1[A:1045-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e8g46A2[A:1045-1139] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e8e3iA1[A:1351-1443] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cleavage and polyadenylation specificity factor subunit 1 ; ELECTRON MICROSCOPY

e8e3qA4[A:1351-1443] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cleavage and polyadenylation specificity factor subunit 1 ; ELECTRON MICROSCOPY

e8h7gA2[A:1133-1216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Splicing factor 3B subunit 3 ; ELECTRON MICROSCOPY

e8hk131[3:1133-1217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Splicing factor 3B subunit 3 ; ELECTRON MICROSCOPY

e7zn7A1[A:1045-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e7znnA2[A:1045-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ELECTRON MICROSCOPY

e7qttA4[A:1115-1197] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Splicing factor 3B subunit 3 ; ELECTRON MICROSCOPY

e8ch6A4[A:1115-1197] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Splicing factor 3B subunit 3 ; ELECTRON MICROSCOPY

e7vpx32[3:1133-1217] Image Pymol Jmol Links: PDB, SCOP, CATH

Splicing factor 3B subunit 3 ; ELECTRON MICROSCOPY

e8deyB1[B:1045-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; X-RAY DIFFRACTION 3.700Å

e8deyE2[E:1045-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; X-RAY DIFFRACTION 3.700Å

e7u8fB3[B:1045-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; ligands: SO4 ; X-RAY DIFFRACTION 3.150Å

e7u8fE1[E:1045-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA damage-binding protein 1 ; X-RAY DIFFRACTION 3.150Å

e8ov6A2[A:1045-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DDB1deltaBPB ; ELECTRON MICROSCOPY

e8b3id1[d:1045-1140] Image Pymol Jmol Links: PDB, SCOP, CATH

; ELECTRON MICROSCOPY

e8oizA1[A:1022-1148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: EDO ; X-RAY DIFFRACTION 2.500Å

e8bu1A1[A:1045-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; X-RAY DIFFRACTION 2.98Å

e8bumA1[A:1045-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; X-RAY DIFFRACTION 3.359Å

e8b3dd2[d:1045-1140] Image Pymol Jmol Links: PDB, SCOP, CATH

; ELECTRON MICROSCOPY

Previous

e5ifeA4[A:1133-1222] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Splicing factor 3B subunit 3 ; X-RAY DIFFRACTION 3.1Å

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.

T: DNA-binding domain of intron-encoded endonucleases

lacks the N-terminal helix, circularly permuted wing

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