GW788388(50毫克)產品是GW788388 is a potent and selective inhibitor of transforming growth factor beta receptor I (TGF-βR1) (activin receptor-like kinase 5, ALK5) (IC?? = 18 nM). Also inhibits?TGF-β?type II receptor and activin type II receptor activities, but does not inhibit BMP type II receptor.