3V3S:
reference: GES-18, a new carbapenem-hydrolyzing GES-type beta-lactamase from Pseudomonas aeruginosa that contains Ile80 and Ser170 residues., Bebrone C, Bogaerts P, Delbruck H, Bennink S, Kupper MB, Rezende de Castro R, Glupczynski Y, Hoffmann KM, Antimicrob Agents Chemother. 2012 Oct 31. PMID: 23114760

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