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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

X: Immunoglobulin-like beta-sandwich
H: Immunoglobulin-related
T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like
F: fn3_2

PF16893 CL0159

Representatives:

e4yg8A1[A:77-168] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Chitin biosynthesis protein CHS5 ; X-RAY DIFFRACTION 2.750Å

e4q66A1[A:77-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Chs5p ; X-RAY DIFFRACTION 3.35Å

e7js4A3[A:918-1002] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

F5/8 type C domain protein ; X-RAY DIFFRACTION 4.60Å

e4q66J1[J:77-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Chs5p ; X-RAY DIFFRACTION 3.35Å

e6xsxA1[A:1134-1220] Image Pymol Jmol Links: PDB, SCOP, CATH

ZmpA Glycopeptidase ; ligands: EDO ; X-RAY DIFFRACTION 2.10Å

e6xszA3[A:931-999] Image Pymol Jmol Links: PDB, SCOP, CATH

ZmpC Glycopeptidase ; ligands: EDO ; X-RAY DIFFRACTION 2.25Å

e4q66D1[D:77-169,D:257-264] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Chs5p ; X-RAY DIFFRACTION 3.35Å

e4q66G1[G:77-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Chs5p ; X-RAY DIFFRACTION 3.35Å

e6xszB3[B:931-999] Image Pymol Jmol Links: PDB, SCOP, CATH

ZmpC Glycopeptidase ; ligands: EDO ; X-RAY DIFFRACTION 2.25Å

e6xszC1[C:931-999] Image Pymol Jmol Links: PDB, SCOP, CATH

ZmpC Glycopeptidase ; X-RAY DIFFRACTION 2.25Å

e6xszD1[D:931-998] Image Pymol Jmol Links: PDB, SCOP, CATH

ZmpC Glycopeptidase ; ligands: EDO ; X-RAY DIFFRACTION 2.25Å

e6xt1A1[A:931-999] Image Pymol Jmol Links: PDB, SCOP, CATH

ZmpC Glycopeptidase ; X-RAY DIFFRACTION 2.490Å

e6xt1B1[B:931-999] Image Pymol Jmol Links: PDB, SCOP, CATH

ZmpC Glycopeptidase ; ligands: EDO,SER ; X-RAY DIFFRACTION 2.490Å

e6xt1C3[C:931-999] Image Pymol Jmol Links: PDB, SCOP, CATH

ZmpC Glycopeptidase ; X-RAY DIFFRACTION 2.490Å

e6xt1D3[D:931-998] Image Pymol Jmol Links: PDB, SCOP, CATH

ZmpC Glycopeptidase ; ligands: EDO,SER ; X-RAY DIFFRACTION 2.490Å

e8avbB5[B:622-732] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Leptin receptor ; ELECTRON MICROSCOPY

e8avbF5[F:622-732] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Leptin receptor ; ELECTRON MICROSCOPY

e8avcB5[B:622-732] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Leptin receptor ; ELECTRON MICROSCOPY

e8avcD5[D:622-732] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Leptin receptor ; ELECTRON MICROSCOPY

e8avcF5[F:622-732] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Leptin receptor ; ELECTRON MICROSCOPY

e8aveB5[B:624-734] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Leptin receptor ; ELECTRON MICROSCOPY

e8aveD5[D:624-734] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Leptin receptor ; ELECTRON MICROSCOPY

e8avfB5[B:624-734] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Leptin receptor ; ELECTRON MICROSCOPY

e8avfD5[D:624-734] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Leptin receptor ; ELECTRON MICROSCOPY

e8avfF5[F:624-734] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Leptin receptor ; ELECTRON MICROSCOPY

e8avoB5[B:624-734] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Leptin receptor ; ELECTRON MICROSCOPY

e8avoD5[D:624-734] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Leptin receptor ; ELECTRON MICROSCOPY

e8avoF5[F:624-734] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Leptin receptor ; ELECTRON MICROSCOPY

e8dh8A6[A:622-732] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Leptin receptor ; ELECTRON MICROSCOPY

e8dh8B6[B:622-732] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Leptin receptor ; ELECTRON MICROSCOPY

e8dh9A5[A:622-732] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Leptin receptor ; ELECTRON MICROSCOPY

e8dh9B4[B:622-732] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Leptin receptor ; ELECTRON MICROSCOPY

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.

X: Glycosyl hydrolase domain-like

some similarity with Ig fold

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