3KF4:
reference: Structural analysis of DFG-in and DFG-out dual Src-Abl inhibitors sharing a common vinyl purine template., Zhou T, Commodore L, Huang WS, Wang Y, Sawyer TK, Shakespeare WC, Clackson T, Zhu X, Dalgarno DC, Chem Biol Drug Des. 2010 Jan;75(1):18-28. Epub 2009 Nov 5. PMID: 19895503

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