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![[Figure 2]](mn5108fig2mag.jpg)
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Figure 2
Chemical structure of levofloxacin (a) and its conformations observed within the active sites of S. pneumoniae topoisomerase IV (b) and K. pneumoniae topoisomerase IV (c, d). Electron-density maps (2Fobs − Fcalc) are shown as meshes for the drug molecules contoured at 1.5σ and are limited to a distance of 2.3 Å from the drug atoms. |
![[Figure 2]](mn5108fig2.jpg)
 | STRUCTURAL BIOLOGY |
ISSN: 2059-7983
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