4X53:
reference: Structural Basis of Activity against Aztreonam and Extended Spectrum Cephalosporins for Two Carbapenem-Hydrolyzing Class D beta-Lactamases from Acinetobacter baumannii., Mitchell JM, Clasman JR, June CM, Kaitany KC, LaFleur JR, Taracila MA, Klinger NV, Bonomo RA, Wymore T, Szarecka A, Powers RA, Leonard DA, Biochemistry. 2015 Mar 2. PMID: 25710192

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).