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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: jelly-roll
H: Galactose-binding domain-like
T: Galactose-binding domain-like
F: PepX_C

PF08530 CL0202

Representatives:

e1ju3A1[A:352-574] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

cocaine esterase ; ligands: PBC ; X-RAY DIFFRACTION 1.58Å

e1l7rA1[A:352-574] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

cocaine esterase ; X-RAY DIFFRACTION 1.64Å

e1l7qA1[A:352-574] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

cocaine esterase ; ligands: BEZ ; X-RAY DIFFRACTION 1.76Å

e1ju4A1[A:352-574] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

cocaine esterase ; ligands: BEZ ; X-RAY DIFFRACTION 1.63Å

e2b4kC1[C:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; ligands: GOL ; X-RAY DIFFRACTION 3.0Å

e1nx9B1[B:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.2Å

e2b9vM1[M:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.0Å

e1mpxC1[C:405-637] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

alpha-amino acid ester hydrolase ; ligands: GOL ; X-RAY DIFFRACTION 1.90Å

e2b9vN1[N:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.0Å

e2b9vF1[F:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.0Å

e2b9vJ1[J:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.0Å

e2b4kB1[B:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; ligands: GOL ; X-RAY DIFFRACTION 3.0Å

e2b9vP1[P:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.0Å

e1ryyA1[A:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.8Å

e2b9vL1[L:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.0Å

e2b9vO1[O:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.0Å

e1mpxD1[D:405-637] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

alpha-amino acid ester hydrolase ; ligands: GOL ; X-RAY DIFFRACTION 1.90Å

e1nx9D1[D:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.2Å

e2b9vH1[H:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.0Å

e2b9vD1[D:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.0Å

e2b9vI1[I:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.0Å

e2b4kD1[D:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 3.0Å

e2b9vB1[B:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.0Å

e1ryyC1[C:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.8Å

e1ryyF1[F:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.8Å

e2b4kA1[A:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; ligands: GOL ; X-RAY DIFFRACTION 3.0Å

e1ryyE1[E:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.8Å

e1ryyH1[H:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.8Å

e1ryyB1[B:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.8Å

e1ryyG1[G:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.8Å

e2b9vG1[G:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.0Å

e1ryyD1[D:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.8Å

e1nx9A1[A:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.2Å

e2b9vE1[E:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.0Å

e1mpxB1[B:405-637] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

alpha-amino acid ester hydrolase ; ligands: GOL ; X-RAY DIFFRACTION 1.90Å

e2b9vA1[A:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.0Å

e2b9vC1[C:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.0Å

e2b9vK1[K:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.0Å

e1nx9C1[C:435-666] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

alpha-amino acid ester hydrolase ; X-RAY DIFFRACTION 2.2Å

e3i2fA1[A:352-574] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cocaine esterase ; ligands: CL,DBC,GOL,SO4 ; X-RAY DIFFRACTION 2.500Å

e3puhA1[A:352-574] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cocaine esterase ; ligands: GOL ; X-RAY DIFFRACTION 2.300Å

e3idaA1[A:352-575] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cocaine esterase ; ligands: CL,DBC,GOL ; X-RAY DIFFRACTION 1.60Å

e3i2gA1[A:352-575] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cocaine esterase ; ligands: CL,DBC,GOL,SO4 ; X-RAY DIFFRACTION 2.500Å

e3i2hA1[A:352-575] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cocaine esterase ; ligands: CL,DBC,GOL,SO4 ; X-RAY DIFFRACTION 1.65Å

e3i2iA1[A:352-574] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cocaine esterase ; ligands: CL,DBC,GOL,SO4 ; X-RAY DIFFRACTION 2.100Å

e3i2jA1[A:352-575] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cocaine esterase ; ligands: CL,GOL,SO4 ; X-RAY DIFFRACTION 2.000Å

e3i2kA1[A:352-575] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cocaine esterase ; ligands: CL,DBC,GOL,SO4 ; X-RAY DIFFRACTION 1.510Å

e3puhB1[B:352-574] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cocaine esterase ; ligands: GOL ; X-RAY DIFFRACTION 2.300Å

e3puiA1[A:352-576] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cocaine esterase ; ligands: CL ; X-RAY DIFFRACTION 1.53Å

e3ib3A3[A:353-559] Image Pymol Jmol Links: PDB, SCOP, CATH

CocE/NonD family hydrolase ; ligands: CL ; X-RAY DIFFRACTION 2.05Å

e3iiiA3[A:353-560] Image Pymol Jmol Links: PDB, SCOP, CATH

CocE/NonD family hydrolase ; ligands: CL,PLM ; X-RAY DIFFRACTION 1.95Å

e3ib3B3[B:353-559] Image Pymol Jmol Links: PDB, SCOP, CATH

CocE/NonD family hydrolase ; ligands: CL,NI ; X-RAY DIFFRACTION 2.05Å

e4pf1A1[A:389-623] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Peptidase S15/CocE/NonD ; ligands: GOL ; X-RAY DIFFRACTION 2.10Å

e4pf1B1[B:389-623] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Peptidase S15/CocE/NonD ; ligands: GOL ; X-RAY DIFFRACTION 2.10Å

e4pf1C1[C:389-623] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Peptidase S15/CocE/NonD ; ligands: GOL ; X-RAY DIFFRACTION 2.10Å

e4pf1D1[D:389-623] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Peptidase S15/CocE/NonD ; ligands: GOL ; X-RAY DIFFRACTION 2.10Å

e4p08A1[A:352-574] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cocaine esterase ; X-RAY DIFFRACTION 2.340Å

e7f65A1[A:352-574] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cocaine esterase ; ligands: BEZ,SO4 ; X-RAY DIFFRACTION 2.200Å

e8jj7A1[A:358-555] Image Pymol Jmol Links: PDB, SCOP, CATH

e1mpxA1[A:405-637] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

alpha-amino acid ester hydrolase ; ligands: GOL ; X-RAY DIFFRACTION 1.90Å

e1lnsA1[A:551-763] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

X-PROLYL DIPEPTIDYL AMINOPEPTIDASE ; X-RAY DIFFRACTION 2.2Å

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