BI-9321 is a selective and cellular active nuclear receptor-binding SET domain 3 (NSD3)-PWWP1 domain antagonist (Kd: 166 nM). BI-9321 is inactive against NSD2-PWWP1 and NSD3-PWWP2.
UNC6934 Negative Control (Axon 3591) is a chemically related compound that serves as a negative control for UNC6934, a potent and selective chemical probe that specifically targets the N-terminal PWWP (PWWP1) domain of NSD2.