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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: Cadherin

PF00028 CL0159

Representatives:

e2omzB1[B:-2-101] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Epithelial-cadherin ; X-RAY DIFFRACTION 1.600Å

e4zi8B2[B:99-207] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein Pcdhgc3 ; ligands: CA,MPD ; X-RAY DIFFRACTION 1.698Å

e4zi8B3[B:208-314] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein Pcdhgc3 ; ligands: CA,EPE,MPD ; X-RAY DIFFRACTION 1.698Å

e5uz8A1[A:2265-2372] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-23 ; ligands: CA ; X-RAY DIFFRACTION 1.85Å

e5uz8A2[A:2373-2479] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-23 ; ligands: CA,CL,GSH ; X-RAY DIFFRACTION 1.85Å

e5uz8A3[A:2480-2581] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-23 ; ligands: CA,GSH ; X-RAY DIFFRACTION 1.85Å

e1edhA1[A:102-213] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E-CADHERIN ; ligands: CA ; X-RAY DIFFRACTION 2.0Å

e5tpkA1[A:690-791] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protocadherin-15 ; ligands: CA ; X-RAY DIFFRACTION 2.00Å

e5t4mB2[B:367-481] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protocadherin-15 ; ligands: CA,CL ; X-RAY DIFFRACTION 2.24Å

e5t4mB3[B:482-595] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protocadherin-15 ; ligands: CA ; X-RAY DIFFRACTION 2.24Å

e5i8dA1[A:1929-2038] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-23 ; ligands: CA ; X-RAY DIFFRACTION 2.69Å

e5i8dA2[A:2039-2144] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-23 ; ligands: CA ; X-RAY DIFFRACTION 2.69Å

e5i8dA3[A:2145-2263] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-23 ; ligands: CA ; X-RAY DIFFRACTION 2.69Å

e4xhzA1[A:795-898] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protocadherin-15 ; ligands: CA ; X-RAY DIFFRACTION 2.8Å

e4xhzA2[A:899-1008] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protocadherin-15 ; ligands: CA,CL ; X-RAY DIFFRACTION 2.8Å

e3q2vA3[A:214-326] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CADHERIN-1 ; ligands: CA,MAN ; X-RAY DIFFRACTION 3.4Å

e3q2vB2[B:214-326] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CADHERIN-1 ; ligands: CA,MAN ; X-RAY DIFFRACTION 3.4Å

e2yqgA1[A:1-123] Image Pymol Jmol Links: PDB, SCOP, CATH

Desmoglein-2 ; SOLUTION NMR

e4nqqD1[D:102-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA,CU ; X-RAY DIFFRACTION 3.2Å

e5dzyB4[B:312-415] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pcdhb8 protein ; ligands: CA,NAG ; X-RAY DIFFRACTION 2.90Å

e5dzyD1[D:312-413] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pcdhb8 protein ; ligands: CA,MAN ; X-RAY DIFFRACTION 2.90Å

e5dzyE2[E:312-415] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pcdhb8 protein ; ligands: CA,NAG ; X-RAY DIFFRACTION 2.90Å

e5dzyF1[F:312-415] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pcdhb8 protein ; ligands: CA,NAG ; X-RAY DIFFRACTION 2.90Å

e5dzxB3[B:312-412] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protocadherin beta 6 ; ligands: CA ; X-RAY DIFFRACTION 2.879Å

e5erdA2[A:216-333] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Desmoglein-2 ; ligands: CA,NAG ; X-RAY DIFFRACTION 2.9Å

e5erdB4[B:216-333] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Desmoglein-2 ; ligands: CA,NAG ; X-RAY DIFFRACTION 2.9Å

e5j5jA3[A:214-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Desmocollin-2,Desmoglein-2 ; ligands: CA,CL,NAG ; X-RAY DIFFRACTION 3.290Å

e4zmlA2[A:102-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA ; X-RAY DIFFRACTION 1.85Å

e4zmnA1[A:102-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA,GOL ; X-RAY DIFFRACTION 2.60Å

e4zmoA2[A:102-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA ; X-RAY DIFFRACTION 2.48Å

e4zmpA2[A:102-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA ; X-RAY DIFFRACTION 2.15Å

e4zmqA2[A:102-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: 1PE,CA ; X-RAY DIFFRACTION 2.20Å

e4zmqB1[B:102-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA ; X-RAY DIFFRACTION 2.20Å

e4zmtA2[A:102-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA ; X-RAY DIFFRACTION 2.70Å

e4zmtC2[C:102-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA ; X-RAY DIFFRACTION 2.70Å

e4zmtD1[D:102-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA ; X-RAY DIFFRACTION 2.70Å

e4zmtF1[F:102-209] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA ; X-RAY DIFFRACTION 2.70Å

e4zmvA2[A:102-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA,GOL,NI,SO4 ; X-RAY DIFFRACTION 2.40Å

e4zmvB2[B:102-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA,GOL,NI,SO4 ; X-RAY DIFFRACTION 2.40Å

e4zmwA1[A:102-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA,NI,SO4 ; X-RAY DIFFRACTION 2.30Å

e4zmwB1[B:102-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA,NI,SO4 ; X-RAY DIFFRACTION 2.30Å

e4zmxA1[A:102-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA ; X-RAY DIFFRACTION 3.10Å

e4zmxB2[B:102-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA ; X-RAY DIFFRACTION 3.10Å

e4zmyA2[A:102-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA ; X-RAY DIFFRACTION 1.50Å

e4zmzA1[A:102-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA ; X-RAY DIFFRACTION 2.05Å

e5szpA1[A:309-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protocadherin Gamma B7 ; X-RAY DIFFRACTION 3.10Å

e5szpB2[B:309-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protocadherin Gamma B7 ; X-RAY DIFFRACTION 3.10Å

e5szrC4[C:414-525] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein Pcdhgb2 ; X-RAY DIFFRACTION 2.3Å

e5co1B1[B:257-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protocadherin-19 isoform 1 ; ligands: CA ; X-RAY DIFFRACTION 2.51Å

e5co1C1[C:258-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protocadherin-19 isoform 1 ; ligands: CA ; X-RAY DIFFRACTION 2.51Å

e5co1D1[D:259-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protocadherin-19 isoform 1 ; ligands: CA ; X-RAY DIFFRACTION 2.51Å

e5szqA2[A:528-638] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protocadherin gamma-A4 ; ligands: CA,MAN ; X-RAY DIFFRACTION 2.56Å

e5kj4A1[A:898-1008] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protocadherin-15 ; ligands: CA ; X-RAY DIFFRACTION 3.35Å

e5kj4B1[B:898-1008] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protocadherin-15 ; ligands: CA ; X-RAY DIFFRACTION 3.35Å

e5kj4C1[C:898-1008] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protocadherin-15 ; ligands: CA ; X-RAY DIFFRACTION 3.35Å

e5kj4D1[D:898-1008] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protocadherin-15 ; ligands: CA ; X-RAY DIFFRACTION 3.35Å

e5jymA2[A:102-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA ; X-RAY DIFFRACTION 2.45Å

e5jymC2[C:102-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cadherin-3 ; ligands: CA ; X-RAY DIFFRACTION 2.45Å

e4xhzA3[A:1009-1116] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protocadherin-15 ; X-RAY DIFFRACTION 2.8Å

e1l3wA3[A:214-326] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EP-CADHERIN ; ligands: CA,NAG,NDG ; X-RAY DIFFRACTION 3.08Å

e1l3wA4[A:327-433] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EP-CADHERIN ; ligands: CA,NAG,NDG ; X-RAY DIFFRACTION 3.08Å

e4ux8A2[A:155-264] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTO-ONCOGENE TYROSINE-PROTEIN KINASE RECEPTOR RET ; ligands: CA ; 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