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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

X: beta-Prism I
H: beta-Prism I
T: beta-Prism I
F: Beta-prism_lec

PF16458 CL0568

Representatives:

e4gx7F1[F:565-696] * nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYTOLYSIN AND HEMOLYSIN HLYA PORE-FORMING TOXIN ; ligands: MMA ; X-RAY DIFFRACTION 2.85Å

e3o44A6[A:584-716] * nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOLYSIN ; X-RAY DIFFRACTION 2.88Å

e4gx7A1[A:585-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYTOLYSIN AND HEMOLYSIN HLYA PORE-FORMING TOXIN ; ligands: MMA ; X-RAY DIFFRACTION 2.85Å

e3o44B3[B:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOLYSIN ; X-RAY DIFFRACTION 2.88Å

e3o44C3[C:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOLYSIN ; X-RAY DIFFRACTION 2.88Å

e3o44D3[D:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOLYSIN ; X-RAY DIFFRACTION 2.88Å

e3o44E3[E:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOLYSIN ; X-RAY DIFFRACTION 2.88Å

e3o44F3[F:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOLYSIN ; X-RAY DIFFRACTION 2.88Å

e3o44G3[G:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOLYSIN ; X-RAY DIFFRACTION 2.88Å

e3o44H3[H:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOLYSIN ; X-RAY DIFFRACTION 2.88Å

e3o44I3[I:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOLYSIN ; X-RAY DIFFRACTION 2.88Å

e3o44J3[J:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOLYSIN ; X-RAY DIFFRACTION 2.88Å

e3o44K3[K:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOLYSIN ; X-RAY DIFFRACTION 2.88Å

e3o44L3[L:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOLYSIN ; X-RAY DIFFRACTION 2.88Å

e3o44M3[M:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOLYSIN ; X-RAY DIFFRACTION 2.88Å

e3o44N3[N:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOLYSIN ; X-RAY DIFFRACTION 2.88Å

e1xezA3[A:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOLYSIN ; ligands: BOG ; X-RAY DIFFRACTION 2.3Å

e4gx7D1[D:585-716] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYTOLYSIN AND HEMOLYSIN HLYA PORE-FORMING TOXIN ; ligands: MMA ; X-RAY DIFFRACTION 2.85Å

e5v6fA1[A:821-957] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemolysin-related protein ; ligands: BMA,MAN,SO4 ; X-RAY DIFFRACTION 1.500Å

e5v6cA1[A:820-957] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemolysin-related protein ; ligands: GOL ; X-RAY DIFFRACTION 2.200Å

e5v6kA1[A:821-957] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemolysin-related protein ; ligands: GOL,MAN,NAG ; X-RAY DIFFRACTION 1.800Å

e5v6cB1[B:820-957] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemolysin-related protein ; ligands: GOL ; X-RAY DIFFRACTION 2.200Å

e5v6cC1[C:820-957] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemolysin-related protein ; ligands: GOL ; X-RAY DIFFRACTION 2.200Å

e6mltA2[A:312-514] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemolysin-related protein ; ligands: FLC,GOL ; X-RAY DIFFRACTION 1.900Å

e7yl9H2[H:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH

Hemolysin ; ELECTRON MICROSCOPY

e7yl9I2[I:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH

Hemolysin ; ELECTRON MICROSCOPY

e7yl9J2[J:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH

Hemolysin ; ELECTRON MICROSCOPY

e7yl9K3[K:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH

Hemolysin ; ELECTRON MICROSCOPY

e7yl9L3[L:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH

Hemolysin ; ELECTRON MICROSCOPY

e7yl9M2[M:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH

Hemolysin ; ELECTRON MICROSCOPY

e7yl9N3[N:583-716] Image Pymol Jmol Links: PDB, SCOP, CATH

Hemolysin ; ELECTRON MICROSCOPY

e8jbqA4[A:579-713] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; X-RAY DIFFRACTION 2.0Å

e4gx7E1[E:565-696] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYTOLYSIN AND HEMOLYSIN HLYA PORE-FORMING TOXIN ; ligands: MMA ; X-RAY DIFFRACTION 2.85Å

e4gx7C1[C:565-696] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYTOLYSIN AND HEMOLYSIN HLYA PORE-FORMING TOXIN ; ligands: MMA ; X-RAY DIFFRACTION 2.85Å

e4gx7B1[B:565-696] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYTOLYSIN AND HEMOLYSIN HLYA PORE-FORMING TOXIN ; ligands: MMA ; X-RAY DIFFRACTION 2.85Å

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 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