3GKM:
reference: Insights into the Oxidoreduction Activity of Xanthomonas campestris Bacterioferritin Comigratory Protein from the Trapped Intermediate-Ligand Complex Structures., Liao SJ, Yang CY, Chin KH, Wang AH, Chou SH, J Mol Biol. 2009 May 25. PMID: 19477183

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