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Topoisomerase IV from S. pneumoniae in complex with moxifloxacin (red) and DNA (light green): classical HB are depicted as green dotted lines (DA1), C-H HBs are depicted as light green dotted lines and halogen interactions are depicted as blue dotted lines (DA5); hydrophobic interactions were omitted for better picture clarity. The figure was built with Biovia Discovery Studio 4.1 using the PDB entry 4Z3O.
