5dtt | pdb_00005dtt

Fragments bound to the OXA-48 beta-lactamase: Compound 3

spinqualitylabelsall models 5dtt, resolution 2.10Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 5dtt is a 4 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: 5F5, CL, EDO NonStd Res: KCX Related: 5dts Activity: Beta-lactamase, with EC number 3.5.2.6 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum Publication Abstract from PubMed The spread of antibiotic resistant bacteria is a global threat that shakes the foundations of modern healthcare. beta-Lactamases are enzymes that confer resistance to beta-lactam antibiotics in bacteria, and there is a critical need for new inhibitors of these enzymes for combination therapy together with an antibiotic. With this in mind, we have screened a library of 490 fragments to identify starting points for the development of new inhibitors of the class D beta-lactamase oxacillinase-48 (OXA-48) through surface plasmon resonance (SPR), dose-rate inhibition assays, and X-ray crystallography. Furthermore, we have uncovered structure-activity relationships and used alternate conformations from a crystallographic structure to grow a fragment into a more potent compound with a KD of 50 muM and an IC50 of 18 muM. Screening and Design of Inhibitor Scaffolds for the Antibiotic Resistance Oxacillinase-48 (OXA-48) through Surface Plasmon Resonance Screening.,Lund BA, Christopeit T, Guttormsen Y, Bayer A, Leiros HS J Med Chem. 2016 May 20. PMID:27165692 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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