2ckf | pdb_00002ckf

CRYSTAL STRUCTURE OF THE TERMINAL COMPONENT OF THE PAH-HYDROXYLATING DIOXYGENASE FROM SPHINGOMONAS SP CHY-1

spinqualitylabelsall models 2ckf, resolution 1.85Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2ckf is a 6 chain structure with sequence from Sphingomonas sp.. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: FE, FES Resources: FirstGlance, OCA, RCSB, PDBsum Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed Ring-hydroxylating dioxygenases are multicomponent bacterial enzymes that catalyze the first step in the oxidative degradation of aromatic hydrocarbons. The dioxygenase from Sphingomonas CHY-1 is unique in that it can oxidize a wide range of polycyclic aromatic hydrocarbons (PAHs). With a crystal structure similar to that of the seven other known dioxygenases, its catalytic domain features the largest hydrophobic substrate binding cavity characterized so far. Molecular modeling studies indicated that the catalytic cavity is large enough to accommodate a five-ring benzo[a]pyrene molecule. The predicted positions of this and other PAHs in the substrate binding pocket are consistent with the product regio- and stereo-selectivity of the enzyme. The catalytic pocket of the ring-hydroxylating dioxygenase from Sphingomonas CHY-1.,Jakoncic J, Jouanneau Y, Meyer C, Stojanoff V Biochem Biophys Res Commun. 2007 Jan 26;352(4):861-6. Epub 2006 Dec 4. PMID:17157819 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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