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. Author manuscript; available in PMC: 2014 Jan 8.
Published in final edited form as: Structure. 2012 Nov 29;21(1):76–87. doi: 10.1016/j.str.2012.10.014

Figure 4.

Figure 4

Antibiotic binding sites. (A) The crystallographic positions of ertapenem (blue sticks), ampicillin (purple sticks), and carbenicillin (orange sticks) are superimposed on a single OmpF monomer (ribbons with front β-strands removed for clarity). (B) OmpF residues assessed in this study are shown and colored based on those found in either the ampicillin (purple sticks) or carbenicillin (orange sticks) binding sites, or additional constriction zone residues (grey sticks). L3 is colored yellow.