1YOB:
reference: A crystallographic study of Cys69Ala flavodoxin II from Azotobacter vinelandii: structural determinants of redox potential., Alagaratnam S, van Pouderoyen G, Pijning T, Dijkstra BW, Cavazzini D, Rossi GL, Van Dongen WM, van Mierlo CP, van Berkel WJ, Canters GW, Protein Sci 2005 Sep;14(9):2284-95. PMID: 16131657

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