4c4x

Crystal structure of human bifunctional epoxide hydroxylase 2 complexed with C9

spinqualitylabelsall models 4c4x, resolution 2.17Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 4c4x is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.17Å Ligands: W9M Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function HYES_HUMAN Bifunctional enzyme. The C-terminal domain has epoxide hydrolase activity and acts on epoxides (alkene oxides, oxiranes) and arene oxides. Plays a role in xenobiotic metabolism by degrading potentially toxic epoxides. Also determines steady-state levels of physiological mediators. The N-terminal domain has lipid phosphatase activity, with the highest activity towards threo-9,10-phosphonooxy-hydroxy-octadecanoic acid, followed by erythro-9,10-phosphonooxy-hydroxy-octadecanoic acid, 12-phosphonooxy-octadec-9Z-enoic acid, 12-phosphonooxy-octadec-9E-enoic acid, and p-nitrophenyl phospate. Publication Abstract from PubMed Structure-based drug design (SBDD) is a powerful and widely used approach to optimize affinity of drug candidates. With the recently introduced INPHARMA method, the binding mode of small molecules to their protein target can be characterized even if no spectroscopic information about the protein is known. Here, we show that the combination of the spin-diffusion-based NMR methods INPHARMA, trNOE, and STD results in an accurate scoring function for docking modes and therefore determination of protein-ligand complex structures. Applications are shown on the model system protein kinase A and the drug targets glycogen phosphorylase and soluble epoxide hydrolase (sEH). Multiplexing of several ligands improves the reliability of the scoring function further. The new score allows in the case of sEH detecting two binding modes of the ligand in its binding site, which was corroborated by X-ray analysis. A Combination of Spin Diffusion Methods for the Determination of Protein-Ligand Complex Structural Ensembles.,Pilger J, Mazur A, Monecke P, Schreuder H, Elshorst B, Bartoschek S, Langer T, Schiffer A, Krimm I, Wegstroth M, Lee D, Hessler G, Wendt KU, Becker S, Griesinger C Angew Chem Int Ed Engl. 2015 Apr 15. doi: 10.1002/anie.201500671. PMID:25877959 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Epoxide hydrolase 3D structures

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