3KAP:
reference: Crystal structure of flavodoxin from Desulfovibrio desulfuricans ATCC 27774 in two oxidation states., Romero A, Caldeira J, Legall J, Moura I, Moura JJ, Romao MJ, Eur J Biochem. 1996 Jul 1;239(1):190-6. PMID: 8706707

This OCA Structure page
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