5LUU:
reference: Discovery of New Bromodomain Scaffolds by Biosensor Fragment Screening., Navratilova I, Aristotelous T, Picaud S, Chaikuad A, Knapp S, Filappakopoulos P, Hopkins AL, ACS Med Chem Lett. 2016 Sep 20;7(12):1213-1218. eCollection 2016 Dec 8. PMID: 27994766

This OCA Structure page
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