4K91:
reference: Structural analysis of the role of Pseudomonas aeruginosa penicillin-binding protein 5 in beta-lactam resistance., Smith JD, Kumarasiri M, Zhang W, Hesek D, Lee M, Toth M, Vakulenko S, Fisher JF, Mobashery S, Chen Y, Antimicrob Agents Chemother. 2013 Jul;57(7):3137-46. doi: 10.1128/AAC.00505-13., Epub 2013 Apr 29. PMID: 23629710

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