1JFU:
reference: Structure of the soluble domain of a membrane-anchored thioredoxin-like protein from Bradyrhizobium japonicum reveals unusual properties., Capitani G, Rossmann R, Sargent DF, Grutter MG, Richmond TJ, Hennecke H, J Mol Biol 2001 Aug 31;311(5):1037-48. PMID: 11531338

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