3E1K:
reference: The Interaction between an Acidic Transcriptional Activator and Its Inhibitor: THE MOLECULAR BASIS OF Gal4p RECOGNITION BY Gal80p., Thoden JB, Ryan LA, Reece RJ, Holden HM, J Biol Chem. 2008 Oct 31;283(44):30266-72. Epub 2008 Aug 13. PMID: 18701455

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