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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

X: PDEase-like
H: HD-domain/PDEase-like
T: HD-domain/PDEase-like
F: Ppx-GppA_III

PF21447 CL0237

Representatives:

e1u6zA1[A:313-509] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Exopolyphosphatase ; ligands: SO4 ; X-RAY DIFFRACTION 1.90Å

e3rf0A1[A:4-202] Image Pymol Jmol Links: PDB, SCOP, CATH

EXOPOLYPHOSPHATASE ; ligands: FMT,NO3 ; X-RAY DIFFRACTION 1.8Å

e1u6zB1[B:313-509] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Exopolyphosphatase ; ligands: SO4 ; X-RAY DIFFRACTION 1.90Å

e2floA1[A:313-506] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Exopolyphosphatase ; X-RAY DIFFRACTION 2.04Å

e2floB1[B:313-506] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Exopolyphosphatase ; X-RAY DIFFRACTION 2.04Å

e2floC1[C:313-506] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Exopolyphosphatase ; X-RAY DIFFRACTION 2.04Å

e2floD1[D:313-506] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Exopolyphosphatase ; X-RAY DIFFRACTION 2.04Å

e3rf0B1[B:3-200] Image Pymol Jmol Links: PDB, SCOP, CATH

EXOPOLYPHOSPHATASE ; ligands: NO3 ; X-RAY DIFFRACTION 1.8Å

e6pc0A3[A:304-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Guanosine pentaphosphate phosphohydrolase ; ligands: EDO,LMR,MLT,SO4 ; X-RAY DIFFRACTION 1.7Å

e6pc0B3[B:303-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Guanosine pentaphosphate phosphohydrolase ; ligands: EDO,LMR,SO4 ; X-RAY DIFFRACTION 1.7Å

e6pc1A3[A:303-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Guanosine pentaphosphate phosphohydrolase ; ligands: EDO,G4P,LMR ; X-RAY DIFFRACTION 2.76Å

e6pc1B3[B:304-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Guanosine pentaphosphate phosphohydrolase ; ligands: EDO,G4P ; X-RAY DIFFRACTION 2.76Å

e6pc1C3[C:303-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Guanosine pentaphosphate phosphohydrolase ; ligands: G4P ; X-RAY DIFFRACTION 2.76Å

e6pc1D3[D:304-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Guanosine pentaphosphate phosphohydrolase ; ligands: G4P ; X-RAY DIFFRACTION 2.76Å

e6pc2A3[A:304-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Guanosine pentaphosphate phosphohydrolase ; ligands: GNP,MG ; X-RAY DIFFRACTION 2.9Å

e6pc2B3[B:304-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Guanosine pentaphosphate phosphohydrolase ; ligands: GNP,MG ; X-RAY DIFFRACTION 2.9Å

e6pc3A3[A:304-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Guanosine pentaphosphate phosphohydrolase ; ligands: GSP,MG ; X-RAY DIFFRACTION 2.1Å

e6pc3B3[B:304-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Guanosine pentaphosphate phosphohydrolase ; ligands: GSP,MG ; X-RAY DIFFRACTION 2.1Å

e6pbzA3[A:307-494] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Guanosine-5'-triphosphate,3'-diphosphate pyrophosphatase ; X-RAY DIFFRACTION 2.50Å

e6pbzB1[B:307-494] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Guanosine-5'-triphosphate,3'-diphosphate pyrophosphatase ; X-RAY DIFFRACTION 2.50Å

e6pbzC3[C:307-494] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Guanosine-5'-triphosphate,3'-diphosphate pyrophosphatase ; ligands: CL ; X-RAY DIFFRACTION 2.50Å

e6pbzD2[D:307-494] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Guanosine-5'-triphosphate,3'-diphosphate pyrophosphatase ; X-RAY DIFFRACTION 2.50Å

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 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