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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

X: alpha-helical domain in beta-lactamase/transpeptidase-like proteins
H: alpha-helical domain in beta-lactamase/transpeptidase-like proteins
T: alpha-helical domain in beta-lactamase/transpeptidase-like proteins
F: Beta-lactamase

PF00144 CL0013

Representatives:

e1yqsA1[A:59-241] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

D-ALANYL-D-ALANINE CARBOXYPEPTIDASE ; ligands: BSA,GOL ; X-RAY DIFFRACTION 1.05Å

e1pwgA1[A:59-241] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

D-alanyl-D-alanine carboxypeptidase ; ligands: HE0 ; X-RAY DIFFRACTION 1.074Å

e2hdsA1[A:61-224] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; ligands: 4MB,PO4,SUC ; X-RAY DIFFRACTION 1.160Å

e3zytA1[A:1-240] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESTERASE A ; X-RAY DIFFRACTION 2.34Å

e5chuA2[A:61-225] Image Pymol Jmol Links: PDB, SCOP, CATH

Beta-lactamase ; ligands: SO4,ZN ; X-RAY DIFFRACTION 1.07Å

e3wrtA2[A:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; X-RAY DIFFRACTION 2.900Å

e3wrtB2[B:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; X-RAY DIFFRACTION 2.900Å

e3wrtC1[C:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; X-RAY DIFFRACTION 2.900Å

e3wrzA1[A:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; ligands: CA,CL ; X-RAY DIFFRACTION 1.799Å

e3wrzB1[B:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; ligands: CA,CL ; X-RAY DIFFRACTION 1.799Å

e3wrzC2[C:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; ligands: CA,CL ; X-RAY DIFFRACTION 1.799Å

e3ws0A2[A:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; ligands: CA,CL,CS ; X-RAY DIFFRACTION 2.0Å

e3ws0B1[B:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; ligands: CA,CL ; X-RAY DIFFRACTION 2.0Å

e3ws0C2[C:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; ligands: CA,CL,CS ; X-RAY DIFFRACTION 2.0Å

e3ws1B2[B:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; ligands: CA ; X-RAY DIFFRACTION 1.8Å

e3ws1C2[C:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; ligands: CA,CS ; X-RAY DIFFRACTION 1.8Å

e3ws2A2[A:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; ligands: CA,CS ; X-RAY DIFFRACTION 2.1Å

e3ws2B1[B:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; ligands: CA ; X-RAY DIFFRACTION 2.1Å

e3ws2C2[C:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; ligands: CA ; X-RAY DIFFRACTION 2.1Å

e3ws4A1[A:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; ligands: CL,SR ; X-RAY DIFFRACTION 1.900Å

e3ws4B2[B:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; ligands: CL,SR ; X-RAY DIFFRACTION 1.900Å

e3ws4C1[C:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; ligands: CL,SR ; X-RAY DIFFRACTION 1.900Å

e3ws5A2[A:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; ligands: CL,SR ; X-RAY DIFFRACTION 2.800Å

e3ws5B2[B:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; ligands: CL ; X-RAY DIFFRACTION 2.800Å

e3ws5C2[C:62-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-lactamase ; ligands: CL ; X-RAY DIFFRACTION 2.800Å

e2dcfA1[A:109-270] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

6-aminohexanoate-dimer hydrolase ; ligands: ACA,GOL,SO4 ; X-RAY DIFFRACTION 1.40Å

e1ci9A1[A:72-278] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (CARBOXYLESTERASE) ; ligands: DFP ; X-RAY DIFFRACTION 1.800Å

e1ei5A3[A:59-229] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

D-AMINOPEPTIDASE ; X-RAY DIFFRACTION 1.9Å

e2drwA1[A:57-246] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

D-Amino acid amidase ; ligands: BA ; X-RAY DIFFRACTION 2.10Å

e2efxF2[F:57-246] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

D-AMINO ACID AMIDASE ; ligands: NFA ; 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.

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

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