2WIC:
reference: Structural fold, conservation and Fe(II) binding of the intracellular domain of prokaryote FeoB., Hung KW, Chang YW, Eng ET, Chen JH, Chen YC, Sun YJ, Hsiao CD, Dong G, Spasov KA, Unger VM, Huang TH, J Struct Biol. 2010 Jun;170(3):501-12. Epub 2010 Feb 1. PMID: 20123128

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