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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: winged
F: Roquin_1_2-like_ROQ

PF21206 CL0123

Representatives:

e4txaA3[A:176-270] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

Roquin-1 ; X-RAY DIFFRACTION 2.75Å

e4qilA2[A:176-270] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; ligands: CA ; X-RAY DIFFRACTION 2.9Å

e5f5fA1[A:175-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; X-RAY DIFFRACTION 3.00Å

e5f5fC1[C:175-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; X-RAY DIFFRACTION 3.00Å

e5f5fE1[E:175-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; X-RAY DIFFRACTION 3.00Å

e5f5fG1[G:178-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; X-RAY DIFFRACTION 3.00Å

e5f5hA1[A:178-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; ligands: GOL ; X-RAY DIFFRACTION 2.23Å

e4qi0B1[B:165-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; X-RAY DIFFRACTION 1.94Å

e4qikA2[A:162-256] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; ligands: CL ; X-RAY DIFFRACTION 1.9Å

e4qi2D1[D:172-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; X-RAY DIFFRACTION 3Å

e4qi2A1[A:173-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; X-RAY DIFFRACTION 3Å

e4qi2B1[B:173-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; X-RAY DIFFRACTION 3Å

e4qi0A1[A:174-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; X-RAY DIFFRACTION 1.94Å

e4qi2C1[C:174-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; X-RAY DIFFRACTION 3Å

e4qikB2[B:162-256] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; ligands: CL ; X-RAY DIFFRACTION 1.9Å

e4qilB2[B:162-256] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; X-RAY DIFFRACTION 2.9Å

e4ulwA1[A:179-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ROQUIN-1 ; X-RAY DIFFRACTION 1.91Å

e4ulwB1[B:177-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ROQUIN-1 ; X-RAY DIFFRACTION 1.91Å

e3x1oA1[A:177-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; ligands: IOD ; X-RAY DIFFRACTION 2.2Å

e3x1oB1[B:176-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; ligands: IOD ; X-RAY DIFFRACTION 2.2Å

e4ywqA2[A:177-270] Image Pymol Jmol Links: PDB, SCOP, CATH

Roquin-1 ; ligands: GOL,UNX ; X-RAY DIFFRACTION 1.700Å

e4ywqB2[B:178-270] Image Pymol Jmol Links: PDB, SCOP, CATH

Roquin-1 ; ligands: EDO,UNX ; X-RAY DIFFRACTION 1.700Å

e4zlcA2[A:171-267] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-2 ; X-RAY DIFFRACTION 2.7Å

e4zlcB1[B:173-267] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-2 ; X-RAY DIFFRACTION 2.7Å

e4zlcC2[C:177-267] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-2 ; X-RAY DIFFRACTION 2.7Å

e4zlcD1[D:171-267] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-2 ; X-RAY DIFFRACTION 2.7Å

e4zldA2[A:171-267] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-2 ; ligands: GOL ; X-RAY DIFFRACTION 1.6Å

e4z30A1[A:159-253] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-2 ; ligands: UNX ; X-RAY DIFFRACTION 2.710Å

e4z31A3[A:159-253] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-2 ; ligands: UNX ; X-RAY DIFFRACTION 2.500Å

e4z31B3[B:159-253] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-2 ; X-RAY DIFFRACTION 2.500Å

e5f5hB2[B:174-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; X-RAY DIFFRACTION 2.23Å

e6tqaA2[A:174-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; ligands: CL ; X-RAY DIFFRACTION 2.40Å

e6tqaB2[B:177-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; ligands: CL ; X-RAY DIFFRACTION 2.40Å

e6tqaC1[C:175-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; X-RAY DIFFRACTION 2.40Å

e6tqaD2[D:177-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; X-RAY DIFFRACTION 2.40Å

e6tqbA1[A:173-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Roquin-1 ; ligands: CL,EDO,NA ; X-RAY DIFFRACTION 1.6Å

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