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. 2021 Nov 1;39:89–101. doi: 10.1016/j.jare.2021.10.010

Fig. 4.

Fig. 4

Chemical structure of cefiderocol (A) and its “Trojan horse” active transport mechanism to across the outer membrane of Gram-negative bacteria using the iron transport system (B). Then, cefiderocol is released into the periplasmic space, attaches to penicillin-binding proteins and inhibits the bacterial cell wall synthesis, causing cell death.