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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

X: Repetitive alpha hairpins
H: TssA helical domains
T: TssA helical domains
F: T6SS_VasJ

PF16989

Representatives:

e4yo5A1[A:399-529] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TssA ; X-RAY DIFFRACTION 3.35Å

e4yo3A1[A:221-377] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TssA ; X-RAY DIFFRACTION 3.37Å

e4yo3B1[B:221-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TssA ; X-RAY DIFFRACTION 3.37Å

e4yo3C1[C:221-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TssA ; X-RAY DIFFRACTION 3.37Å

e4yo3D1[D:221-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TssA ; X-RAY DIFFRACTION 3.37Å

e4yo3E1[E:221-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TssA ; X-RAY DIFFRACTION 3.37Å

e4yo3F1[F:221-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TssA ; X-RAY DIFFRACTION 3.37Å

e4yo3G1[G:221-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TssA ; X-RAY DIFFRACTION 3.37Å

e4yo3H1[H:221-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TssA ; X-RAY DIFFRACTION 3.37Å

e4yo3I1[I:221-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TssA ; X-RAY DIFFRACTION 3.37Å

e4yo3J1[J:221-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TssA ; X-RAY DIFFRACTION 3.37Å

e4yo3K1[K:221-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TssA ; X-RAY DIFFRACTION 3.37Å

e4yo3L1[L:221-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TssA ; X-RAY DIFFRACTION 3.37Å

e6g7bD1[D:231-376] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ImpA-related domain protein ; X-RAY DIFFRACTION 1.76Å

e6g7bB1[B:231-376] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ImpA-related domain protein ; X-RAY DIFFRACTION 1.76Å

e6g7bA1[A:231-376] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ImpA-related domain protein ; X-RAY DIFFRACTION 1.76Å

e6g7bC1[C:231-376] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ImpA-related domain protein ; X-RAY DIFFRACTION 1.76Å

e6g7cB1[B:227-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ImpA-related domain protein ; X-RAY DIFFRACTION 3.13Å

e6g7cA1[A:229-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ImpA-related domain protein ; X-RAY DIFFRACTION 3.13Å

e6g7cG2[G:232-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ImpA-related domain protein ; X-RAY DIFFRACTION 3.13Å

e6g7cH1[H:231-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ImpA-related domain protein ; X-RAY DIFFRACTION 3.13Å

e6g7cC2[C:230-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ImpA-related domain protein ; X-RAY DIFFRACTION 3.13Å

e6g7cD2[D:225-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ImpA-related domain protein ; X-RAY DIFFRACTION 3.13Å

e6g7cI1[I:232-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ImpA-related domain protein ; X-RAY DIFFRACTION 3.13Å

e6g7cJ2[J:232-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ImpA-related domain protein ; X-RAY DIFFRACTION 3.13Å

e6g7cE2[E:225-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ImpA-related domain protein ; X-RAY DIFFRACTION 3.13Å

e6g7cF1[F:228-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ImpA-related domain protein ; X-RAY DIFFRACTION 3.13Å

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.

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