| 3JVM: reference: Structures of the dual bromodomains of the P-TEFb-activating protein Brd4 at atomic resolution., Vollmuth F, Blankenfeldt W, Geyer M, J Biol Chem. 2009 Dec 25;284(52):36547-56. Epub 2009 Oct 13. PMID: 19828451 |
This OCA 
Structure page
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(documentation).