Evolutionary classification of protein domain structures
alpha arraysalpha-helix arrays with mainly perpendicular helices
Representatives:
e1jfbA1[A:5-403] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
nitric-oxide reductase cytochrome P450 55A1 ; ligands: GOL,HEM ; X-RAY DIFFRACTION 1.0Å
e1n40A1[A:2-396] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cytochrome P450 121 ; ligands: HEM,OXY,SO4 ; X-RAY DIFFRACTION 1.06Å
e2ij2A1[A:3-455] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYTOCHROME P450 BM3 ; ligands: HEM ; X-RAY DIFFRACTION 1.2Å
e1re9A1[A:1-404] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYTOCHROME P450-CAM ; ligands: DSO,EDO,HEM,K ; X-RAY DIFFRACTION 1.45Å
e1io7A1[A:1-366] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYTOCHROME P450 CYP119 ; ligands: HEM ; X-RAY DIFFRACTION 1.5Å
e1s1fA1[A:8-406] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
putative cytochrome P450 ; ligands: GOL,HEM,HG,MLA,PIM ; X-RAY DIFFRACTION 1.50Å
e2cibA1[A:5-84,A:105-449] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYTOCHROME P450 51 ; ligands: CM6,HEM ; X-RAY DIFFRACTION 1.50Å
e1po5A1[A:28-492] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cytochrome P450 2B4 ; ligands: HEM ; X-RAY DIFFRACTION 1.6Å
e1lfkA1[A:5-398] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
P450 monooxygenase ; ligands: HEM ; X-RAY DIFFRACTION 1.7Å
e1z8oA1[A:3-404] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
6-DEOXYERYTHRONOLIDE B HYDROXYLASE ; ligands: DEB,HEM,OXY ; X-RAY DIFFRACTION 1.7Å
e1n97A1[A:1-385] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYP175A1 ; ligands: EDO,HEM,SRT ; X-RAY DIFFRACTION 1.8Å
e1odoA1[A:7-407] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PUTATIVE CYTOCHROME P450 154A1 ; ligands: HEM,PIM ; X-RAY DIFFRACTION 1.850Å
e1q5dA1[A:16-416] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
P450 epoxidase ; ligands: EPB,HEM ; X-RAY DIFFRACTION 1.93Å
e5hiwA1[A:1-393] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cytochrome P450 CYP260B1 ; ligands: HEM,MG ; X-RAY DIFFRACTION 1.85Å
e7ow9A1[A:4-400] Image Pymol Jmol Links: PDB, SCOP, CATH
CYPX ; ligands: 2IO,HEM,NO3 ; X-RAY DIFFRACTION 1.80Å
e7jw5A1[A:17-409] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Cytochrome P450 ; ligands: CL,HEM,Z7Z ; X-RAY DIFFRACTION 1.5260Å
e7ayxA1[A:2-409] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cytochrome P450 113A1 ; ligands: HEM,SO4 ; X-RAY DIFFRACTION 2.53Å
e7ayxB1[B:1-409] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cytochrome P450 113A1 ; ligands: HEM,SO4 ; X-RAY DIFFRACTION 2.53Å
e1tqnA1[A:28-499] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
cytochrome P450 3A4 ; ligands: HEM ; X-RAY DIFFRACTION 2.0Å
e5gweA1[A:51-455] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cytochrome P450 ; ligands: GWM,HEM,SO4 ; X-RAY DIFFRACTION 2.0Å
e1izoA1[A:6-416] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYTOCHROME P450 152A1 ; ligands: HEM,PAM ; X-RAY DIFFRACTION 2.1Å
e1cptA1[A:1-428] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYTOCHROME P450-TERP ; ligands: HEM ; X-RAY DIFFRACTION 2.3Å
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