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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: PLP-dependent transferases
H: PLP-dependent transferases
T: PLP-dependent transferases
F: Aminotran_1_2

PF00155 CL0061

Representatives:

e2q7wA2[A:1-313] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ASPARTATE AMINOTRANSFERASE ; ligands: GOL,PMP,PSZ,SO4 ; X-RAY DIFFRACTION 1.4Å

e1fg7A2[A:3-259] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HISTIDINOL PHOSPHATE AMINOTRANSFERASE ; ligands: PMP ; X-RAY DIFFRACTION 1.40Å

e1lc5A2[A:3-264] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

L-THREONINE-O-3-PHOSPHATE DECARBOXYLASE ; ligands: PO4 ; X-RAY DIFFRACTION 1.46Å

e1ajsA2[A:1-325] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ASPARTATE AMINOTRANSFERASE ; ligands: PLA ; X-RAY DIFFRACTION 1.6Å

e1m7yA2[A:3-321] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

1-AMINOCYCLOPROPANE-1-CARBOXYLATE SYNTHASE ; ligands: MRD,PPG ; X-RAY DIFFRACTION 1.6Å

e1bs0A2[A:2-285] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (8-AMINO-7-OXONANOATE SYNTHASE) ; ligands: SO4 ; X-RAY DIFFRACTION 1.65Å

e5jayA1[A:1-290] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

8-amino-7-oxononanoate synthase ; X-RAY DIFFRACTION 1.750Å

e1gdeA2[A:2-281] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ASPARTATE AMINOTRANSFERASE ; ligands: GLU,PLP ; X-RAY DIFFRACTION 1.8Å

e1vp4A2[A:1-300] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

aminotransferase, putative ; ligands: EDO,FMT,PLP,UNL ; X-RAY DIFFRACTION 1.82Å

e2r5eA2[A:12-312] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

KYNURENINE AMINOTRANSFERASE ; ligands: QLP ; X-RAY DIFFRACTION 1.84Å

e1c7nA2[A:1-289] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYSTALYSIN ; ligands: PLP ; X-RAY DIFFRACTION 1.9Å

e1v2dA2[A:1-274] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMINE AMINOTRANSFERASE ; ligands: PLP ; X-RAY DIFFRACTION 1.9Å

e1o4sA2[A:2-282] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Aspartate aminotransferase ; ligands: PLP,SO4 ; X-RAY DIFFRACTION 1.900Å

e1fc4A2[A:1-295] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2-AMINO-3-KETOBUTYRATE CONENZYME A LIGASE ; ligands: AKB ; X-RAY DIFFRACTION 2.0Å

e2bwnA2[A:2-298] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-AMINOLEVULINATE SYNTHASE ; ligands: ACY,CL,SIN,SO4 ; X-RAY DIFFRACTION 2.100Å

e3nraB1[B:2-301] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

aspartate aminotransferase ; ligands: CL,GOL ; X-RAY DIFFRACTION 2.15Å

e3wy7D2[D:12-284] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

8-amino-7-oxononanoate synthase ; X-RAY DIFFRACTION 2.30Å

e1xi9A2[A:1-290] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

putative transaminase ; ligands: PLP ; X-RAY DIFFRACTION 2.330Å

e1u08A2[A:5-285] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYPOTHETICAL AMINOTRANSFERASE YBDL ; ligands: PLP ; X-RAY DIFFRACTION 2.35Å

e2f8jA2[A:1-249] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

Histidinol-phosphate aminotransferase ; ligands: EDO,PMP ; X-RAY DIFFRACTION 2.40Å

e2gb3A2[A:4-282] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

aspartate aminotransferase ; X-RAY DIFFRACTION 2.496Å

e1bw0A4[A:4-309] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

PROTEIN (TYROSINE AMINOTRANSFERASE) ; X-RAY DIFFRACTION 2.5Å

e1d2fA2[A:30-286] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MALY PROTEIN ; ligands: PLP ; X-RAY DIFFRACTION 2.5Å

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