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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

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

X: alpha/beta-Hydrolases
H: alpha/beta-Hydrolases
T: alpha/beta-Hydrolases
F: BD-FAE

PF20434 CL0028

Representatives:

e4j0dA1[A:1-469] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tannase ; ligands: CD,PEG,PGE ; X-RAY DIFFRACTION 1.60Å

e3hxkA1[A:15-270] Image Pymol Jmol Links: PDB, SCOP, CATH

Sugar hydrolase ; X-RAY DIFFRACTION 3.2Å

e3h04A1[A:3-274] Image Pymol Jmol Links: PDB, SCOP, CATH

uncharacterized protein ; X-RAY DIFFRACTION 1.900Å

e3bjrA1[A:-2-264] Image Pymol Jmol Links: PDB, SCOP, CATH

Putative carboxylesterase ; ligands: GOL ; X-RAY DIFFRACTION 2.09Å

e3d3nA1[A:1-230,A:256-273] Image Pymol Jmol Links: PDB, SCOP, CATH

Putative lipase/esterase ; ligands: EPE ; X-RAY DIFFRACTION 2.50Å

e3bxpA1[A:0-273] Image Pymol Jmol Links: PDB, SCOP, CATH

Putative lipase/esterase ; ligands: EPE,PGO,PGR ; X-RAY DIFFRACTION 1.70Å

e3bxpB1[B:0-273] Image Pymol Jmol Links: PDB, SCOP, CATH

Putative lipase/esterase ; ligands: CL,EPE,PGO,PGR ; X-RAY DIFFRACTION 1.70Å

e3d3nB1[B:1-273] Image Pymol Jmol Links: PDB, SCOP, CATH

Putative lipase/esterase ; ligands: CA,EPE ; X-RAY DIFFRACTION 2.50Å

e3hxkB1[B:15-270] Image Pymol Jmol Links: PDB, SCOP, CATH

Sugar hydrolase ; X-RAY DIFFRACTION 3.2Å

e3hxkC1[C:15-270] Image Pymol Jmol Links: PDB, SCOP, CATH

Sugar hydrolase ; X-RAY DIFFRACTION 3.2Å

e3hxkD1[D:15-270] Image Pymol Jmol Links: PDB, SCOP, CATH

Sugar hydrolase ; X-RAY DIFFRACTION 3.2Å

e4j0gB1[B:1-463] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tannase ; ligands: 1PE,HG,PEG ; X-RAY DIFFRACTION 2.50Å

e4juiA1[A:1-469] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tannase ; ligands: EGR,PEG,PG4,PGE ; X-RAY DIFFRACTION 1.7Å

e4j0kB1[B:1-469] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tannase ; ligands: EGR,PEG,PG4 ; X-RAY DIFFRACTION 2.05Å

e4juiB1[B:1-469] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tannase ; ligands: EGR,PEG,PGE ; X-RAY DIFFRACTION 1.7Å

e4j0kA1[A:1-453] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tannase ; ligands: EGR,PGE ; X-RAY DIFFRACTION 2.05Å

e4j0gA1[A:1-453] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tannase ; ligands: HG,PEG ; X-RAY DIFFRACTION 2.50Å

e3wa6A1[A:4-469] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

tannase ; ligands: SO4 ; X-RAY DIFFRACTION 1.8Å

e3wa7A1[A:4-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TANNASE ; ligands: ACT,GOL,SO4 ; X-RAY DIFFRACTION 1.7Å

e4bzwA1[A:1-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LIPASE/ESTERASE ; ligands: SO4 ; X-RAY DIFFRACTION 2.15Å

e4bzwB1[B:1-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LIPASE/ESTERASE ; ligands: 144,ACT,SO4 ; X-RAY DIFFRACTION 2.15Å

e4bzzA1[A:1-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LIPASE/ESTERASE ; ligands: ACT,CCN,SO4 ; X-RAY DIFFRACTION 3.0Å

e4c01A1[A:1-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CEST-2923 ; ligands: ACT,CCN,QY9,SO4 ; X-RAY DIFFRACTION 2.3Å

e4c01B1[B:1-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CEST-2923 ; ligands: ACT,CCN,QY9,SO4 ; X-RAY DIFFRACTION 2.3Å

e4c01C1[C:1-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CEST-2923 ; ligands: ACT,CCN,QY9,SO4 ; X-RAY DIFFRACTION 2.3Å

e4c01D1[D:1-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CEST-2923 ; ligands: ACT,CCN,QY9,SO4 ; X-RAY DIFFRACTION 2.3Å

e4c01E1[E:1-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CEST-2923 ; ligands: ACT,CCN,QY9,SO4 ; X-RAY DIFFRACTION 2.3Å

e4c01F1[F:1-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CEST-2923 ; ligands: ACT,CCN,QY9,SO4 ; X-RAY DIFFRACTION 2.3Å

e4n5iX1[X:5-315] Image Pymol Jmol Links: PDB, SCOP, CATH

Esterase/lipase ; ligands: 2HD,ACT ; X-RAY DIFFRACTION 2.00Å

e4po3X1[X:2-315] Image Pymol Jmol Links: PDB, SCOP, CATH

ESTERASE B ; ligands: HY4 ; X-RAY DIFFRACTION 1.96Å

e4j0cA2[A:0-469] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tannase ; ligands: PEG ; X-RAY DIFFRACTION 1.65Å

e4j0cB2[B:0-469] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tannase ; ligands: 1PE,PEG ; X-RAY DIFFRACTION 1.65Å

e4j0iA2[A:0-469] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tannase ; ligands: DHB,PEG ; X-RAY DIFFRACTION 1.75Å

e4oukX1[X:5-314] Image Pymol Jmol Links: PDB, SCOP, CATH

Esterase B ; ligands: C63 ; X-RAY DIFFRACTION 2.00Å

e4n5hX1[X:1-315] Image Pymol Jmol Links: PDB, SCOP, CATH

Esterase/lipase ; ligands: CA,CL,IPA ; X-RAY DIFFRACTION 1.71Å

e5ao9A1[A:1-283] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESTERASE ; ligands: CL,EDO,EPE,PE8,PEG,PGE ; X-RAY DIFFRACTION 1.58Å

e5aoaA1[A:6-282] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESTERASE ; ligands: CL,EDO,PEG,PG4,PPI ; X-RAY DIFFRACTION 1.71Å

e5aobA1[A:5-282] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESTERASE ; ligands: BUA,CL,EDO,PEG,PG4 ; X-RAY DIFFRACTION 1.79Å

e5aocA1[A:1-282] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESTERASE ; ligands: CL,EDO,LEA,PEG,PG4 ; X-RAY DIFFRACTION 1.79Å

e6mlyC3[C:517-796] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Bifunctional GH43-CE protein ; ligands: ACT,NA ; X-RAY DIFFRACTION 2.700Å

e6mlyA1[A:517-796] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Bifunctional GH43-CE protein ; ligands: ACT,EDO,NA ; X-RAY DIFFRACTION 2.700Å

e6mlyB2[B:517-796] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Bifunctional GH43-CE protein ; ligands: ACT,NA ; X-RAY DIFFRACTION 2.700Å

e6mlyD2[D:517-796] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Bifunctional GH43-CE protein ; ligands: ACT,NA ; X-RAY DIFFRACTION 2.700Å

e6nkfA1[A:26-302] Image Pymol Jmol Links: PDB, SCOP, CATH

Lip_vut4, C3L ; ligands: EDO,PEG,SBT ; X-RAY DIFFRACTION 2.23Å

e6nkfB1[B:26-296] Image Pymol Jmol Links: PDB, SCOP, CATH

Lip_vut4, C3L ; ligands: EDO,PEG ; X-RAY DIFFRACTION 2.23Å

e6nkfC1[C:2-303] Image Pymol Jmol Links: PDB, SCOP, CATH

Lip_vut4, C3L ; ligands: EDO,PEG ; X-RAY DIFFRACTION 2.23Å

e6nkfD1[D:26-296] Image Pymol Jmol Links: PDB, SCOP, CATH

Lip_vut4, C3L ; ligands: EDO,PEG,SBT ; X-RAY DIFFRACTION 2.23Å

e4j0dB1[B:0-469] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tannase ; ligands: CD,PEG,PG4 ; X-RAY DIFFRACTION 1.60Å

e4j0hA1[A:0-469] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tannase ; ligands: GDE,PEG,PG4 ; X-RAY DIFFRACTION 1.80Å

e4j0hB1[B:0-469] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tannase ; ligands: GDE,PEG,PG4 ; X-RAY DIFFRACTION 1.80Å

e4j0iB1[B:0-469] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tannase ; ligands: DHB,PEG,PG4 ; X-RAY DIFFRACTION 1.75Å

e4j0jA1[A:0-469] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tannase ; ligands: E35 ; X-RAY DIFFRACTION 2.00Å

e4j0jB1[B:0-469] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tannase ; ligands: E35 ; X-RAY DIFFRACTION 2.00Å

e7bfnA1[A:6-281] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Esterase ; ligands: SO4 ; X-RAY DIFFRACTION 1.7Å

e7bfoA1[A:5-281] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Esterase ; ligands: EOH ; X-RAY DIFFRACTION 1.99Å

e7bfrA1[A:5-281] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Esterase ; ligands: CO3 ; X-RAY DIFFRACTION 1.99Å

e7bftA1[A:6-281] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Esterase ; ligands: PO4 ; X-RAY DIFFRACTION 1.99Å

e7bfuA1[A:6-281] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Esterase ; ligands: EOH ; X-RAY DIFFRACTION 1.65Å

e7bfvA1[A:5-281] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Esterase ; ligands: NA,PO4 ; X-RAY DIFFRACTION 1.84Å

e6tkxA1[A:2-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Carbohydrate esterase ; ligands: SO4 ; X-RAY DIFFRACTION 2.06Å

e6xycA1[A:8-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetyl xylan esterase ; ligands: AES ; X-RAY DIFFRACTION 1.85Å

e6yq4A1[A:5-383,A:403-494] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tannase ; ligands: GOL,MG ; X-RAY DIFFRACTION 2.39Å

e6yq4B1[B:5-383,B:403-494] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tannase ; ligands: GOL,MG,SPD ; X-RAY DIFFRACTION 2.39Å

e6yq4C1[C:5-383,C:403-494] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tannase ; ligands: GOL,MG ; X-RAY DIFFRACTION 2.39Å

e6a6oA1[A:17-264] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Esterase/lipase-like protein ; X-RAY DIFFRACTION 1.800Å

e7q6yA1[A:1-115,A:136-490] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha/beta hydrolase ; ligands: EDO,PEG ; X-RAY DIFFRACTION 2.220Å

e7q6yB1[B:1-115,B:136-490] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha/beta hydrolase ; ligands: EDO,PEG ; X-RAY DIFFRACTION 2.220Å

e4zrsA1[A:-1-290] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Esterase ; ligands: GOL ; X-RAY DIFFRACTION 2.0Å

e4zrsB1[B:-1-290] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Esterase ; ligands: GOL ; X-RAY DIFFRACTION 2.0Å

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.

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