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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: Abhydrolase_1

PF00561 CL0028

Representatives:

e1mj5A1[A:2-299] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

1,3,4,6-tetrachloro-1,4-cyclohexadiene hydrolase ; ligands: CL,MG ; X-RAY DIFFRACTION 0.950Å

e3c70A1[A:2-257] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrilase ; ligands: SCN,SO4 ; X-RAY DIFFRACTION 1.05Å

e1b6gA1[A:1-310] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HALOALKANE DEHALOGENASE ; ligands: CL,GOL,SO4 ; X-RAY DIFFRACTION 1.15Å

e1q0rA1[A:2-298] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

aclacinomycin methylesterase ; ligands: 1PE,AKT,SO4 ; X-RAY DIFFRACTION 1.45Å

e1brtA1[A:1-277] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BROMOPEROXIDASE A2 ; ligands: CL ; X-RAY DIFFRACTION 1.5Å

e6hixBG1[BG:35-327] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ml73 ; ELECTRON MICROSCOPY

e5h3hB1[B:1-269] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Abhydrolase domain-containing protein ; ligands: F50 ; X-RAY DIFFRACTION 1.90Å

e6t6hA1[A:10-262] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BotH ; ligands: NA,SO4 ; X-RAY DIFFRACTION 1.17Å

e6t6xA1[A:10-262] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BotH ; ligands: MQW ; X-RAY DIFFRACTION 1.25Å

e6t6yA1[A:10-262] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BotH ; ligands: MQH ; X-RAY DIFFRACTION 1.40Å

e6t6zA1[A:10-262] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BotH ; ligands: MRB ; X-RAY DIFFRACTION 1.70Å

e6t70A1[A:10-262] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BotH ; ligands: CL,GOL,MQZ,SO4,ZN ; X-RAY DIFFRACTION 1.58Å

e7dq9A1[A:1-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Predicted hydrolases or acyltransferases (Alpha/beta hydrolase superfamily) ; X-RAY DIFFRACTION 1.700Å

e7dq9B1[B:1-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Predicted hydrolases or acyltransferases (Alpha/beta hydrolase superfamily) ; X-RAY DIFFRACTION 1.700Å

e7dq9C1[C:1-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Predicted hydrolases or acyltransferases (Alpha/beta hydrolase superfamily) ; X-RAY DIFFRACTION 1.700Å

e7dq9D1[D:1-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Predicted hydrolases or acyltransferases (Alpha/beta hydrolase superfamily) ; X-RAY DIFFRACTION 1.700Å

e2rhwA1[A:4-286] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2-hydroxy-6-oxo-6-phenylhexa-2,4-dienoate hydrolase ; ligands: C0E,MLI ; X-RAY DIFFRACTION 1.57Å

e1cvlA1[A:1-319] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TRIACYLGLYCEROL HYDROLASE ; ligands: CA ; X-RAY DIFFRACTION 1.6Å

e1uk8A1[A:3-273] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2-hydroxy-6-oxo-7-methylocta-2,4-dienoate hydrolase ; ligands: LEA ; X-RAY DIFFRACTION 1.60Å

e1m33A1[A:3-258] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BioH protein ; ligands: 3OH,EDO ; X-RAY DIFFRACTION 1.63Å

e2b61A1[A:2-358] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Homoserine O-acetyltransferase ; X-RAY DIFFRACTION 1.65Å

e1a8qA1[A:1-274] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BROMOPEROXIDASE A1 ; X-RAY DIFFRACTION 1.75Å

e1mtzA1[A:4-293] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROLINE IMINOPEPTIDASE ; X-RAY DIFFRACTION 1.8Å

e5t6oA1[A:201-589] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Poly-beta-hydroxybuterate polymerase ; ligands: SO4 ; X-RAY DIFFRACTION 1.80Å

e1j1iA1[A:15-282] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

META CLEAVAGE COMPOUND HYDROLASE ; X-RAY DIFFRACTION 1.86Å

e1ehyA1[A:2-294] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (SOLUBLE EPOXIDE HYDROLASE) ; ligands: K ; X-RAY DIFFRACTION 2.1Å

e1wm1A1[A:4-316] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proline iminopeptidase ; ligands: PTB ; X-RAY DIFFRACTION 2.1Å

e2vatA1[A:7-241,A:269-382] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ACETYL-COA--DEACETYLCEPHALOSPORIN C ACETYLTRANSFERASE ; ligands: ACT,COA,GOL ; X-RAY DIFFRACTION 2.20Å

e1zd3A2[A:225-547] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EPOXIDE HYDROLASE 2, CYTOPLASMIC ; ligands: 15P,NC4 ; X-RAY DIFFRACTION 2.3Å

e1c4xA1[A:3-283] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

PROTEIN (2-HYDROXY-6-OXO-6-PHENYLHEXA-2,4-DIENOATE HYDROLASE) ; X-RAY DIFFRACTION 2.4Å

e5ugqA1[A:50-520] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Carboxylesterase A ; X-RAY DIFFRACTION 2.600Å

e1k8qA1[A:1-377] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TRIACYLGLYCEROL LIPASE, GASTRIC ; ligands: BOG,C11,NAG ; X-RAY DIFFRACTION 2.7Å

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