5KUP:
reference: Battling Btk Mutants With Noncovalent Inhibitors That Overcome Cys481 and Thr474 Mutations., Johnson AR, Kohli PB, Katewa A, Gogol E, Belmont LD, Choy R, Penuel E, Burton L, Eigenbrot C, Yu C, Ortwine DF, Bowman K, Franke Y, Tam C, Estevez A, Mortara K, Wu J, Li H, Lin M, Bergeron P, Crawford JJ, Young WB, ACS Chem Biol. 2016 Sep 7. PMID: 27571029

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