4b65 | pdb_00004b65

A. fumigatus ornithine hydroxylase (SidA), reduced state bound to NADP(H)

spinqualitylabelsall models 4b65, resolution 2.32Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 4b65 is a 1 chain structure with sequence from Aspfm. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: FAD, GOL, NDP, SO4 Related: 4b63, 4b64, 4b66, 4b67, 4b68, 4b69 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed SidA from the human pathogen Aspergillus fumigatus catalyzes the generation of N(5)-hydroxyornithine in the biosynthesis of siderophores, a reaction essential for virulence. The crystal structures of SidA in complex with ornithine and lysine reveal the geometry of the interactions among flavin, NADP(+), and the substrate amine group that underlie the hydroxylation reaction. The structural elucidation of the enzyme in complex with arginine provides insight into the role of electrostatics and hydrogen bonding in the mechanism of oxygen activation in this family of enzymes. Structural insight into the mechanism of oxygen activation and substrate selectivity of flavin-dependent N-hydroxylating monooxygenases.,Franceschini S, Fedkenheuer M, Vogelaar NJ, Robinson HH, Sobrado P, Mattevi A Biochemistry. 2012 Sep 11;51(36):7043-5. Epub 2012 Aug 30. PMID:22928747 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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