TW-37(ab273490)
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MW 573.7 Da, Purity >98%. Small-molecule inhibitor of BCL-2 (Ki = 0.29 μM). Inhibits multiple BCL-2 family members including BCL-XL (Ki = 1.11 μM) and MCL-1 (Ki = 0.26 μM). Binds to the BCL-2 homology domain 3 (BH3) groove of BCL-2. Significant anti-proliferative and pro-apoptotic activity in lymphoma cells.