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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

X: Profilin-like
H: a+b domain in beta-lactamase/transpeptidase-like proteins
T: a+b domain in beta-lactamase/transpeptidase-like proteins
F: Transpeptidase

PF00905 CL0013

Representatives:

e1k55A2[A:21-62,A:161-265] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BETA LACTAMASE OXA-10 ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 1.39Å

e1k38A2[A:20-62,A:161-260] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

BETA-LACTAMASE OXA-2 ; ligands: FMT ; X-RAY DIFFRACTION 1.5Å

e1m6kA2[A:18-62,A:167-274] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BETA-LACTAMASE OXA-1 ; ligands: MPD ; X-RAY DIFFRACTION 1.5Å

e3udfA2[A:236-294,A:392-430,A:531-579,A:626-735] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Penicillin-binding protein 1a ; ligands: MES ; X-RAY DIFFRACTION 1.7Å

e1vqqA4[A:328-399,A:526-668] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

PENICILLIN-BINDING PROTEIN MECA, LOW-AFFINITY ; X-RAY DIFFRACTION 1.8Å

e1xa1A2[A:8-55,A:152-253] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

REGULATORY PROTEIN BLAR1 ; ligands: POP ; X-RAY DIFFRACTION 1.8Å

e5crfA1[A:249-341,A:456-643] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Penicillin-binding protein 1A ; ligands: PO4 ; X-RAY DIFFRACTION 1.8Å

e2bg1A2[A:337-456,A:562-788] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PENICILLIN-BINDING PROTEIN 1B ; ligands: CL,SO4 ; X-RAY DIFFRACTION 1.900Å

e4r1gA2[A:615-678,A:809-950] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

Peptidoglycan glycosyltransferase ; ligands: CXU ; X-RAY DIFFRACTION 1.92Å

e3zg8B2[B:286-390,B:494-641] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PENICILLIN-BINDING PROTEIN 4 ; ligands: AIX,GOL ; X-RAY DIFFRACTION 2.09Å

e2waeA3[A:312-382,A:523-679] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PENICILLIN-BINDING PROTEIN 2B ; X-RAY DIFFRACTION 2.26Å

e3oclA4[A:223-290,A:412-559] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PENICILLIN-BINDING PROTEIN 3 ; ligands: CB9,GOL ; X-RAY DIFFRACTION 2.3Å

e1pyyA6[A:264-333,A:456-631] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Penicillin-binding protein 2X ; ligands: OSU,SO4 ; X-RAY DIFFRACTION 2.42Å

e1nrfA2[A:352-398,A:495-597] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

REGULATORY PROTEIN BLAR1 ; X-RAY DIFFRACTION 2.44Å

e2c5wB2[B:266-366,B:471-650] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PENICILLIN-BINDING PROTEIN 1A ; ligands: CL,EDO,PCZ,ZN ; X-RAY DIFFRACTION 2.550Å

e5u2gA2[A:256-314,A:410-449,A:552-831] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

Penicillin-binding protein 1A ; ligands: CL,PEG,SO4 ; X-RAY DIFFRACTION 2.60Å

e2oluA2[A:293-394,A:503-692] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PENICILLIN-BINDING PROTEIN 2 ; X-RAY DIFFRACTION 2.9Å

e4oonA3[A:256-313,A:420-457,A:564-609,A:652-792] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Penicillin-binding protein 1A ; ligands: 2U4 ; X-RAY DIFFRACTION 3.2Å

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.

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