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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

X: Topoisomerase V catalytic domain-like
H: Topoisomerase V catalytic domain-like
T: Topoisomerase V catalytic domain-like
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.

Representatives:

e2csbA6[A:3-179,A:238-293] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Topoisomerase V ; X-RAY DIFFRACTION 2.3Å

e3m7gA3[A:3-179,A:238-269] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Topoisomerase V ; X-RAY DIFFRACTION 2.4Å

e2csbB6[B:3-179,B:238-293] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Topoisomerase V ; X-RAY DIFFRACTION 2.3Å

e2csdA6[A:3-179,A:238-293] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Topoisomerase V ; X-RAY DIFFRACTION 2.9Å

e2csdB6[B:3-179,B:238-293] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Topoisomerase V ; X-RAY DIFFRACTION 2.9Å

e3m6zA1[A:4-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TOPOISOMERASE V ; ligands: CL,GAI,PO4 ; X-RAY DIFFRACTION 1.4Å

e3m7dA1[A:4-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TOPOISOMERASE V ; X-RAY DIFFRACTION 1.81Å

e3m6kA1[A:4-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TOPOISOMERASE V ; X-RAY DIFFRACTION 2.6Å

e3m6kB1[B:4-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TOPOISOMERASE V ; ligands: PO4 ; X-RAY DIFFRACTION 2.6Å

e3m6zB1[B:4-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TOPOISOMERASE V ; ligands: GAI,PO4 ; X-RAY DIFFRACTION 1.4Å

e5hm5A1[A:2-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Topoisomerase V ; X-RAY DIFFRACTION 2.4Å

e8df7A1[A:3-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Topoisomerase V ; X-RAY DIFFRACTION 3.52Å

e8df7B1[B:3-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Topoisomerase V ; X-RAY DIFFRACTION 3.52Å

e8df8A1[A:3-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Topoisomerase V ; ligands: PO3,PO4 ; X-RAY DIFFRACTION 2.92Å

e8df8B1[B:3-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Topoisomerase V ; ligands: PO3,PO4 ; X-RAY DIFFRACTION 2.92Å

e8df9A8[A:2-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Topoisomerase V ; X-RAY DIFFRACTION 3.24Å

e8df9B1[B:2-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Topoisomerase V ; X-RAY DIFFRACTION 3.24Å

e8dfbA1[A:3-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Topoisomerase V ; X-RAY DIFFRACTION 3.17Å

e8dfbB1[B:3-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Topoisomerase V ; X-RAY DIFFRACTION 3.17Å

e4gfjA1[A:3-179,A:238-293] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TOPOISOMERASE V ; ligands: GOL,ZN ; X-RAY DIFFRACTION 2.91Å

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