4ddl

PDE10a Crystal Structure Complexed with Novel Inhibitor

spinqualitylabelsall models 4ddl, resolution 2.07Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 4ddl 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 2.07Å Ligands: 0JQ, SO4, ZN Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function PDE10_HUMAN Plays a role in signal transduction by regulating the intracellular concentration of cyclic nucleotides. Can hydrolyze both cAMP and cGMP, but has higher affinity for cAMP and is more efficient with cAMP as substrate. Publication Abstract from PubMed We report the discovery of 6,7-dimethoxy-4-(pyridin-3-yl)cinnolines as novel inhibitors of phosphodiesterase 10A (PDE10A). Systematic examination and analyses of structure-activity-relationships resulted in single digit nM potency against PDE10A. X-ray co-crystal structure revealed the mode of binding in the enzyme's catalytic domain and the source of selectivity against other PDEs. High in vivo clearance in rats was addressed with the help of metabolite identification (ID) studies. These findings combined resulted in compound 39, a promising potent inhibitor of PDE10A with good in vivo metabolic stability in rats and efficacy in a rodent behavioral model. Discovery of potent, selective, and metabolically stable 4-(pyridin-3-yl)cinnolines as novel phosphodiesterase 10A (PDE10A) inhibitors.,Hu E, Kunz RK, Rumfelt S, Chen N, Burli R, Li C, Andrews KL, Zhang J, Chmait S, Kogan J, Lindstrom M, Hitchcock SA, Treanor J Bioorg Med Chem Lett. 2012 Mar 15;22(6):2262-5. Epub 2012 Feb 8. PMID:22365755 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Phosphodiesterase 3D structures

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