Potent and selective ALK4, 5 and 7 inhibitor. IC50=45, 12, 7.5 nM respectively. Prevents phosphorylation of Smad2/3 and growth inhibition induced by TGFβ. Inhibits differentiation of rat induced pluripotent stem cells and increases clonal expansion efficiency. Together with AMI-5 enabled Oct4-induced reprogramming of mouse embryonic fibroblasts. Active in rat models. Cell permeablehttp://www.creative-enzymes.com/product/A8301_2909.html