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. Author manuscript; available in PMC: 2019 Sep 27.
Published in final edited form as: Curr Microbiol. 2019 Feb 19;76(4):485–494. doi: 10.1007/s00284-019-01653-4

Fig. 2.

Fig. 2

Left: theoretical molecular model of PenO (up) and OXA-like (down) β-lactamases, indicating the active-site entry (orange arrow); Middle: detail of the active-site coordination, indicating conserved or important residues for the structure and function of class A β-lactamases; right: comparison of PenO vs CTX-M-96 (PDB 3ZNY) and PenA (PDB 3W4Q), and OXA-like vs OXA-48 (PDB 3HBR). (Color figure online)