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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

X: ADC synthase
H: ADC synthase
T: ADC synthase
F: Chorismate_bind,Anth_synt_I_N

PF00425 PF04715

Representatives:

e1i7qA1[A:4-520] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ANTHRANILATE SYNTHASE ; ligands: BEZ,GLU,MG,PYR ; X-RAY DIFFRACTION 1.950Å

e1k0gA1[A:1-274,A:299-453] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

p-aminobenzoate synthase component I ; ligands: PO4,TRP ; X-RAY DIFFRACTION 2.05Å

e1qdlA1[A:-1-421] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (ANTHRANILATE SYNTHASE (TRPE-SUBUNIT)) ; X-RAY DIFFRACTION 2.500Å

e8hx6A1[A:238-678] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: MLT,TRP ; X-RAY DIFFRACTION 2.14Å

e8hx9B1[B:238-678] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: TRP ; X-RAY DIFFRACTION 2.03Å

e1i7qC1[C:4-520] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ANTHRANILATE SYNTHASE ; ligands: BEZ,GLU,MG,PYR ; X-RAY DIFFRACTION 1.950Å

e1i1qA1[A:5-516] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ANTHRANILATE SYNTHASE COMPONENT I ; ligands: TRP ; X-RAY DIFFRACTION 1.9Å

e1i7sA1[A:4-520] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ANTHRANILATE SYNTHASE ; ligands: TRP ; X-RAY DIFFRACTION 2.4Å

e1i7sC1[C:4-520] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ANTHRANILATE SYNTHASE ; ligands: TRP ; X-RAY DIFFRACTION 2.4Å

e4grhA1[A:-2-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AMINODEOXYCHORISMATE SYNTHASE ; ligands: 15P,CPS,MG ; X-RAY DIFFRACTION 2.25Å

e1k0gB1[B:1-275,B:301-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

p-aminobenzoate synthase component I ; ligands: PO4,TRP ; X-RAY DIFFRACTION 2.05Å

e1k0eA1[A:3-453] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

p-aminobenzoate synthase component I ; ligands: FMT,TRP ; X-RAY DIFFRACTION 2.0Å

e5kckA1[A:-1-447] Image Pymol Jmol Links: PDB, SCOP, CATH

Anthranilate synthase component I ; ligands: GOL ; X-RAY DIFFRACTION 2.200Å

e4penA1[A:3-511] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: 0GA,GOL,IND,PYR,SO4

e5cwaA1[A:3-511] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Anthranilate synthase component 1 ; ligands: 0GA,GOL,SO4,UNL ; X-RAY DIFFRACTION 2.100Å

e7bvdA1[A:21-524] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Anthranilate synthase component 1 ; ligands: BEZ,GOL,MG,PYR ; X-RAY DIFFRACTION 1.70Å

e7bvdB1[B:20-524] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Anthranilate synthase component 1 ; ligands: BEZ,GOL,MG ; X-RAY DIFFRACTION 1.70Å

e7pi1AAA1[AAA:3-470] Image Pymol Jmol Links: PDB, SCOP, CATH

Aminodeoxychorismate synthase component 1 ; ligands: MG,TRP ; X-RAY DIFFRACTION 1.729Å

e7pi1BBB1[BBB:3-467] Image Pymol Jmol Links: PDB, SCOP, CATH

Aminodeoxychorismate synthase component 1 ; ligands: MG,TRP ; X-RAY DIFFRACTION 1.729Å

e7pi1CCC1[CCC:3-465] Image Pymol Jmol Links: PDB, SCOP, CATH

Aminodeoxychorismate synthase component 1 ; ligands: MG,TRP ; X-RAY DIFFRACTION 1.729Å

e7pi1DDD1[DDD:3-466] Image Pymol Jmol Links: PDB, SCOP, CATH

Aminodeoxychorismate synthase component 1 ; ligands: MG,TRP ; X-RAY DIFFRACTION 1.729Å

e7qu9A1[A:3-463] Image Pymol Jmol Links: PDB, SCOP, CATH

Anthranilate synthase component I family protein ; ligands: GOL,TRP ; X-RAY DIFFRACTION 2.140Å

e7qu9B1[B:4-465] Image Pymol Jmol Links: PDB, SCOP, CATH

Anthranilate synthase component I family protein ; ligands: TRP ; X-RAY DIFFRACTION 2.140Å

e7qu9C1[C:4-464] Image Pymol Jmol Links: PDB, SCOP, CATH

Anthranilate synthase component I family protein ; ligands: TRP ; X-RAY DIFFRACTION 2.140Å

X: MinE-like

both are dimers, but slightly different dimerization mode

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