ALK4 inhibitor | ALK4 Selective inhibitors | ALK4 isoform specific inhibitor

Catalog No.	Product Name	Information	Selective / Pan	IC50 / Ki
S7530	Vactosertib (TEW-7197)	Vactosertib (TEW-7197, EW-7197) is a highly potent, selective, and orally bioavailable TGF-β receptor ALK4/ALK5 inhibitor with IC50 of 13 nM and 11 nM, respectively. Phase 1.	Pan	ALK4, IC50: 13 nM
S7692	A-83-01	A-83-01 is a potent inhibitor of TGF-β type I receptor (ALK5-TD) with IC50 of 12 nM. A-83-01 also inhibits the transcription induced by activin/nodal type I receptor (ALK4-TD) and nodal type I receptor (ALK7-TD) with IC50 of 45 nM and 7.5 nM, respectively.Solutions are unstable and should be fresh-prepared.	Pan	ALK4, IC50: 45 nM
S2186	SB505124	SB505124 is a selective inhibitor of TGFβR for ALK4, ALK5 with IC50 of 129 nM and 47 nM in cell-free assays, respectively, also inhibits ALK7, but does not inhibit ALK1, 2, 3, or 6.	Pan	ALK4, IC50: 129 nM
S7147	LDN-212854	LDN-212854 (BMP Inhibitor III) is a potent and selective BMP receptor inhibitor with IC50 of 1.3 nM for ALK2, about 2-, 66-, 1641-, and 7135-fold selectivity over ALK1, ALK3, ALK4, and ALK5, respectively.	Pan	ALK4, IC50: 2133 nM
S1067	SB431542	SB431542 is a potent and selective inhibitor of ALK5 with IC50 of 94 nM in a cell-free assay, 100-fold more selective for ALK5 than p38 MAPK and other kinases.	Pan

ALK4 Inhibitors