2xkk | pdb_00002xkk

CRYSTAL STRUCTURE OF MOXIFLOXACIN, DNA, AND A. BAUMANNII TOPO IV (PARE-PARC FUSION TRUNCATE)

spinqualitylabelsall models 2xkk, resolution 3.25Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2xkk is a 4 chain structure with sequence from Acibs. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: MFX, MG NonStd Res: PTR Related: 2xkj Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT 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 Quinolone antibacterials have been used to treat bacterial infections for over 40 years. A crystal structure of moxifloxacin in complex with Acinetobacter baumannii topoisomerase IV now shows the wedge-shaped quinolone stacking between base pairs at the DNA cleavage site and binding conserved residues in the DNA cleavage domain through chelation of a noncatalytic magnesium ion. This provides a molecular basis for the quinolone inhibition mechanism, resistance mutations and invariant quinolone antibacterial structural features. Structural basis of quinolone inhibition of type IIA topoisomerases and target-mediated resistance.,Wohlkonig A, Chan PF, Fosberry AP, Homes P, Huang J, Kranz M, Leydon VR, Miles TJ, Pearson ND, Perera RL, Shillings AJ, Gwynn MN, Bax BD Nat Struct Mol Biol. 2010 Sep;17(9):1152-3. Epub 2010 Aug 29. PMID:20802486 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Topoisomerase

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