Home Help

X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative

Keyword search

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: Glyco_hydro2_C5

PF18565 CL0159

Representatives:

e4cu7A5[A:866-984] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BETA-GALACTOSIDASE ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 2.20Å

e3gm8A5[A:703-814] Image Pymol Jmol Links: PDB, SCOP, CATH

Glycoside hydrolase family 2, candidate beta-glycosidase ; X-RAY DIFFRACTION 2.400Å

e4ypjA4[A:735-847] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta galactosidase ; X-RAY DIFFRACTION 2.50Å

e4ypjB4[B:735-847] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta galactosidase ; X-RAY DIFFRACTION 2.50Å

e5dmyA1[A:767-880] Image Pymol Jmol Links: PDB, SCOP, CATH

Beta-galactosidase ; ligands: EDO ; X-RAY DIFFRACTION 1.95Å

e5dmyB5[B:767-880] Image Pymol Jmol Links: PDB, SCOP, CATH

Beta-galactosidase ; X-RAY DIFFRACTION 1.95Å

e5dmyC2[C:767-880] Image Pymol Jmol Links: PDB, SCOP, CATH

Beta-galactosidase ; X-RAY DIFFRACTION 1.95Å

e5t98A2[A:735-847] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycoside Hydrolase ; X-RAY DIFFRACTION 2.60Å

e5t98B2[B:735-847] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycoside Hydrolase ; ligands: EDO ; X-RAY DIFFRACTION 2.60Å

e5t99A2[A:735-847] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycoside Hydrolase ; X-RAY DIFFRACTION 2.40Å

e5t99B2[B:735-847] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycoside Hydrolase ; X-RAY DIFFRACTION 2.40Å

e4cu6A1[A:866-984] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BETA-GALACTOSIDASE ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 2.70Å

e4cu8A1[A:866-984] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLYCOSIDE HYDROLASE 2 ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 2.50Å

e4cucA1[A:866-983] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BETA-GALACTOSIDASE ; ligands: MPD,SO4 ; X-RAY DIFFRACTION 2.20Å

e5t9gB2[B:738-848] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycoside Hydrolase ; X-RAY DIFFRACTION 2.40Å

e5t9aA3[A:738-848] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycoside Hydrolase ; ligands: EDO ; X-RAY DIFFRACTION 2.50Å

e5t9aB2[B:738-848] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycoside Hydrolase ; X-RAY DIFFRACTION 2.50Å

e5t9aC3[C:738-847] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycoside Hydrolase ; X-RAY DIFFRACTION 2.50Å

e5t9aD3[D:738-848] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycoside Hydrolase ; X-RAY DIFFRACTION 2.50Å

e5t9gC4[C:738-848] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycoside Hydrolase ; X-RAY DIFFRACTION 2.40Å

e5t9gD1[D:738-848] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycoside Hydrolase ; X-RAY DIFFRACTION 2.40Å

e5t9gA1[A:738-848] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycoside Hydrolase ; ligands: EDO ; X-RAY DIFFRACTION 2.40Å

e6b6lA2[A:689-797] Image Pymol Jmol Links: PDB, SCOP, CATH

Glycosyl hydrolase family 2, sugar binding domain protein ; X-RAY DIFFRACTION 2.00Å

e6b6lB3[B:689-797] Image Pymol Jmol Links: PDB, SCOP, CATH

Glycosyl hydrolase family 2, sugar binding domain protein ; X-RAY DIFFRACTION 2.00Å

e6dxuC4[C:732-829] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycosyl hydrolase family 2, TIM barrel domain protein ; ligands: BCN ; X-RAY DIFFRACTION 1.9Å

e6dxuD5[D:732-828] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycosyl hydrolase family 2, TIM barrel domain protein ; ligands: BCN ; X-RAY DIFFRACTION 1.9Å

e6dxuA3[A:732-828] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycosyl hydrolase family 2, TIM barrel domain protein ; X-RAY DIFFRACTION 1.9Å

e6dxuB3[B:732-828] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycosyl hydrolase family 2, TIM barrel domain protein ; X-RAY DIFFRACTION 1.9Å

e6d7jA1[A:732-829] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-Glucuronidase ; ligands: GOL,PRO ; X-RAY DIFFRACTION 2.24Å

e6d7jB3[B:732-829] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-Glucuronidase ; ligands: GOL,PRO ; X-RAY DIFFRACTION 2.24Å

e6d7jD1[D:732-828] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-Glucuronidase ; X-RAY DIFFRACTION 2.24Å

e6d7jC2[C:732-829] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-Glucuronidase ; ligands: GOL,PRO ; X-RAY DIFFRACTION 2.24Å

e6hpdA5[A:693-807] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-galactosidase (GH2) ; X-RAY DIFFRACTION 2.43Å

e6qucA4[A:799-912] Image Pymol Jmol Links: PDB, SCOP, CATH

Beta-galactosidase ; X-RAY DIFFRACTION 2.3Å

e6qubA4[A:799-912] Image Pymol Jmol Links: PDB, SCOP, CATH

Beta-galactosidase ; X-RAY DIFFRACTION 1.95Å

e6qubB1[B:799-912] Image Pymol Jmol Links: PDB, SCOP, CATH

Beta-galactosidase ; X-RAY DIFFRACTION 1.95Å

e6qucB1[B:799-912] Image Pymol Jmol Links: PDB, SCOP, CATH

Beta-galactosidase ; X-RAY DIFFRACTION 2.3Å

e6qudA3[A:799-912] Image Pymol Jmol Links: PDB, SCOP, CATH

Beta-galactosidase ; X-RAY DIFFRACTION 2.1Å

e7cwdA1[A:692-803] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

beta-glalactosidase ; X-RAY DIFFRACTION 2.000Å

e7cwiA3[A:692-803] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

beta-galactosidase ; X-RAY DIFFRACTION 1.950Å

e7rskA1[A:689-800] Image Pymol Jmol Links: PDB, SCOP, CATH

Glycosyl hydrolase family 2, sugar binding domain protein ; X-RAY DIFFRACTION 2.4Å

e7rskB1[B:689-800] Image Pymol Jmol Links: PDB, SCOP, CATH

Glycosyl hydrolase family 2, sugar binding domain protein ; X-RAY DIFFRACTION 2.4Å

e5euvA3[A:634-731] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-D-galactosidase ; X-RAY DIFFRACTION 2.40Å

e5euvB3[B:634-731] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-D-galactosidase ; X-RAY DIFFRACTION 2.40Å

e5ldrA3[A:634-731] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-D-galactosidase ; X-RAY DIFFRACTION 3.15Å

e5ldrB3[B:634-731] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-D-galactosidase ; ligands: ACT ; X-RAY DIFFRACTION 3.15Å

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