PS423 is a prodrug of PS210, acting as a substrate-selective inhibitor of PDK1, inhibiting the phosphorylation and activation of S6K. PS210 is a potent and selective PDK1 activator targeting the PIF binding pocket of PDK1[1].
References
[1] Busschots K, et al. Substrate-selective inhibition of protein kinase PDK1 by small compounds that bind to the PIF-pocket allosteric docking site. Chem Biol. 2012 Sep 21;19(9):1152-63. DOI:10.1016/j.chembiol.2012.07.017
