3MZI:
reference: Mutational and Structural Studies of the PixD BLUF Output Signal That Affects Light-Regulated Interactions with PixE., Yuan H, Dragnea V, Wu Q, Gardner KH, Bauer CE, Biochemistry. 2011 Jul 26;50(29):6365-75. Epub 2011 Jun 28. PMID: 21688827

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