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. 2021 Sep 14;12(5):e02248-21. doi: 10.1128/mBio.02248-21

FIG 1.

FIG 1

Scope of the current study. (A) The structures of native siderophores produced and utilized by Acinetobacter baumannii. (B) Three different models for multiple siderophore utilization in bacterial iron assimilation. This study is focused on elucidating the mode of acinetobactin utilization, which is unique in that two structurally related siderophores emerge by isomerization from one to the other (the third model).