123C4 is a potent, selective and competitive agonist of the receptor tyrosine kinase EPHA4, with a Ki value of 0.65 μM[1]. Ki: 0.65 μM (EPHA4)[1]
[1]. Wu B, et al. Potent and Selective EphA4 Agonists for the Treatment of ALS. Cell Chem Biol. 2017 Mar 16;24(3):293-305.
