7CBB:
reference: Structural and Biochemical Characterization of SbnC as a Representative Type B Siderophore Synthetase., Tang J, Ju Y, Zhou J, Guo J, Gu Q, Xu J, Zhou H, ACS Chem Biol. 2020 Sep 18. doi: 10.1021/acschembio.0c00523. PMID: 32880431

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