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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

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

X: LuxS, MPP, ThrRS/AlaRS common domain

looks like an elaborated ferredoxin

X: ClpS-like

contains a HTH motif

X: R3H domain-like
H: PUB domain
T: PUB domain
F: Gasdermin_C

PF17708

Representatives:

e5b5rA2[A:264-453] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-A3 ; X-RAY DIFFRACTION 1.9Å

e8gtjC2[C:239-295,C:322-400] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Isoform 4 of Gasdermin-B ; X-RAY DIFFRACTION 2.70Å

e7z1xA2[A:243-481] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; X-RAY DIFFRACTION 1.86Å

e5tj4B2[B:1243-1410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sugar ABC transporter substrate-binding protein,Gasdermin-B fusion protein ; ligands: NA ; X-RAY DIFFRACTION 3.5Å

e5tibA2[A:1243-1406] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Sugar ABC transporter substrate-binding protein,Gasdermin-B ; ligands: ACT ; X-RAY DIFFRACTION 2.6Å

e5tibB2[B:1243-1405] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Sugar ABC transporter substrate-binding protein,Gasdermin-B ; X-RAY DIFFRACTION 2.6Å

e5tj2A2[A:1243-1406] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Sugar ABC transporter substrate-binding protein,Gasdermin-B fusion protein ; X-RAY DIFFRACTION 2.8Å

e5tj2B1[B:1243-1406] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Sugar ABC transporter substrate-binding protein,Gasdermin-B fusion protein ; X-RAY DIFFRACTION 2.8Å

e5tj2C1[C:1243-1403] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Sugar ABC transporter substrate-binding protein,Gasdermin-B fusion protein ; X-RAY DIFFRACTION 2.8Å

e5tj2D1[D:1243-1405] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Sugar ABC transporter substrate-binding protein,Gasdermin-B fusion protein ; X-RAY DIFFRACTION 2.8Å

e5tj4A1[A:1243-1408] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sugar ABC transporter substrate-binding protein,Gasdermin-B fusion protein ; X-RAY DIFFRACTION 3.5Å

e5tj4C2[C:1243-1407] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sugar ABC transporter substrate-binding protein,Gasdermin-B fusion protein ; X-RAY DIFFRACTION 3.5Å

e5tj4D1[D:1243-1404] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sugar ABC transporter substrate-binding protein,Gasdermin-B fusion protein ; X-RAY DIFFRACTION 3.5Å

e5tj4E2[E:1243-1410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sugar ABC transporter substrate-binding protein,Gasdermin-B fusion protein ; ligands: NA ; X-RAY DIFFRACTION 3.5Å

e5tj4F2[F:1243-1405] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sugar ABC transporter substrate-binding protein,Gasdermin-B fusion protein ; X-RAY DIFFRACTION 3.5Å

e5tj4G1[G:1243-1407] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sugar ABC transporter substrate-binding protein,Gasdermin-B fusion protein ; X-RAY DIFFRACTION 3.5Å

e5tj4H2[H:1243-1409] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sugar ABC transporter substrate-binding protein,Gasdermin-B fusion protein ; X-RAY DIFFRACTION 3.5Å

e5tj4I1[I:1243-1404] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sugar ABC transporter substrate-binding protein,Gasdermin-B fusion protein ; X-RAY DIFFRACTION 3.5Å

e5tj4J1[J:1243-1408] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sugar ABC transporter substrate-binding protein,Gasdermin-B fusion protein ; X-RAY DIFFRACTION 3.5Å

e5nh1A1[A:282-480] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Gasdermin-D ; X-RAY DIFFRACTION 2.04Å

e5wqtA1[A:2-207] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; ligands: CIT,GOL ; X-RAY DIFFRACTION 2.64Å

e5wqtB1[B:2-207] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; ligands: CIT,GOL ; X-RAY DIFFRACTION 2.64Å

e6ao3B1[B:286-483] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 1.76Å

e6ao3C1[C:287-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 1.76Å

e6ao3D1[D:286-483] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 1.76Å

e6ao4A1[A:284-481] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 2.9Å

e6ao3A1[A:286-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 1.76Å

e6n9nA1[A:288-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.3Å

e6n9oC1[C:285-480] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.5Å

e6n9oD1[D:281-480] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.5Å

e6n9nB2[B:288-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.3Å

e6n9oA2[A:284-480] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.5Å

e6n9oB1[B:283-481] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.5Å

e6kmzE1[E:287-480] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.61Å

e6kn0E1[E:283-480] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 2.79Å

e6kn0F1[F:283-480] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 2.79Å

e6kmva1[a:289-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.35Å

e6kmvC1[C:287-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.35Å

e6kmvG1[G:287-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.35Å

e6kmvO1[O:287-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.35Å

e6kmvD1[D:288-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.35Å

e6kmvK1[K:288-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.35Å

e6kmvS1[S:288-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.35Å

e6kmvT1[T:288-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.35Å

e6kmvW1[W:288-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.35Å

e6kmvb1[b:288-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.35Å

e6kmvf1[f:288-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.35Å

e6kmvH1[H:294-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.35Å

e6kmvL1[L:271-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.35Å

e6kmvP1[P:271-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.35Å

e6kmve1[e:271-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.35Å

e6kmvX1[X:286-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.35Å

e6vieC1[C:288-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.400Å

e6vieD2[D:288-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-D ; X-RAY DIFFRACTION 3.400Å

e7wjqB2[B:244-380] Image Pymol Jmol Links: PDB, SCOP, CATH

Isoform 2 of Gasdermin-B ; X-RAY DIFFRACTION 2.7Å

e8gtjA1[A:240-376] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Isoform 4 of Gasdermin-B ; X-RAY DIFFRACTION 2.70Å

e8gtkA1[A:226-382] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GSDMB isoform-1 ; X-RAY DIFFRACTION 3.10Å

e8efpC1[C:253-406] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gasdermin-B ; ELECTRON MICROSCOPY

e7z1xD1[D:243-480] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; X-RAY DIFFRACTION 1.86Å

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.

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