Evolutionary classification of protein domain structures
alpha arraysalpha-helix arrays with mainly perpendicular helices
Representatives:
e1t3tA1[A:153-220] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PHOSPHORIBOSYLFORMYLGLYCINAMIDINE SYNTHASE ; ligands: SO4 ; X-RAY DIFFRACTION 1.9Å
e3ugjA1[A:153-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Phosphoribosylformylglycinamidine synthase ; ligands: SO4 ; X-RAY DIFFRACTION 1.78Å
e3ujnA1[A:153-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PHOSPHORIBOSYLFORMYLGLYCINAMIDINE SYNTHASE ; X-RAY DIFFRACTION 2.98Å
e3ummA13[A:153-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PHOSPHORIBOSYLFORMYLGLYCINAMIDINE SYNTHASE ; ligands: ANP,SO4 ; X-RAY DIFFRACTION 3.2Å
e4l78A1[A:153-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PHOSPHORIBOSYLFORMYLGLYCINAMIDINE SYNTHASE ; ligands: CL,SO4,XE ; X-RAY DIFFRACTION 2.18Å
e4lgyA1[A:153-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PHOSPHORIBOSYLFORMYLGLYCINAMIDINE SYNTHASE ; ligands: SO4 ; X-RAY DIFFRACTION 1.48Å
e4mghA1[A:153-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PHOSPHORIBOSYLFORMYLGLYCINAMIDINE SYNTHASE ; ligands: SO4,XE ; X-RAY DIFFRACTION 2.65Å
e4r7gA4[A:153-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Phosphoribosylformylglycinamidine synthase ; ligands: SO4 ; X-RAY DIFFRACTION 2.700Å
e6jt8A7[A:153-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Phosphoribosylformylglycinamidine synthase ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 1.9Å
e6jt9A4[A:153-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Phosphoribosylformylglycinamidine synthase ; ligands: SO4 ; X-RAY DIFFRACTION 2.1Å
e6jt7A1[A:153-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Phosphoribosylformylglycinamidine synthase ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 1.86Å
e6jtaA4[A:153-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Phosphoribosylformylglycinamidine synthase ; ligands: EDO,GLN,SO4 ; X-RAY DIFFRACTION 1.75Å
e6lylA4[A:153-220] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Phosphoribosylformylglycinamidine synthase ; ligands: SO4 ; X-RAY DIFFRACTION 2.10Å
e6lymA7[A:153-220] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Phosphoribosylformylglycinamidine synthase ; ligands: SO4 ; X-RAY DIFFRACTION 2.46Å
e6lyoA5[A:153-220] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Phosphoribosylformylglycinamidine synthase ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 1.87Å
e6lykA2[A:153-220] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Phosphoribosylformylglycinamidine synthase ; ligands: GLN,GOL,IMD,SO4 ; X-RAY DIFFRACTION 1.70Å
e7dw7A3[A:153-220] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Phosphoribosylformylglycinamidine synthase ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 1.80Å
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
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