4HH0:
reference: A ternary AppA-PpsR-DNA complex mediates light regulation of photosynthesis-related gene expression., Winkler A, Heintz U, Lindner R, Reinstein J, Shoeman RL, Schlichting I, Nat Struct Mol Biol. 2013 Jul;20(7):859-67. doi: 10.1038/nsmb.2597. Epub 2013 Jun, 2. PMID: 23728293

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