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Ceftazidime binding site. The ceftazidime molecule is shown as a ball-and-stick representation colored yellow. (a) The S64 residue is shown as a white stick representation. 2mFo-DFc map is shown as blue mesh contoured 1σ. (b) Hydrogen bonds are shown as orange dashed lines. Disordered residues are shown as blue dashed lines and the positions of N285 and L293 are marked as black dots.
