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. Author manuscript; available in PMC: 2019 Jun 27.
Published in final edited form as: Vaccine. 2018 May 31;36(28):4023–4031. doi: 10.1016/j.vaccine.2018.05.101

Figure 1. Control and BECC-generated lipid A structures.

Figure 1

Unique lipid A structures and negative ion masses are shown for the highly proinflammatory E. coli lipid A (A), the synthetic monophosphoryl lipid A PHAD (B), the lipid A of the parent Yp cultured at 26°C (C), and BECC438 from the ΔmsbB pagPYpRep Yp strain cultured at 26°C (D).