Notes: BBT594 is an inhibitor of Bcr-AblT315I (IC50 = 44 nM), a form of the Bcr-Abl fusion protein containing a tyrosine-to-isoleucine substitution at position 315.{72409} It decreases proliferation in mouse Ba/F3 hematopoietic cells expressing Bcr-AblT315I (GI50 = 117 nM). BBT594 (1 or 5 µM) also inhibits phosphorylation of Jak2 and Stat5 in Ba/F3 cells.{49912}