StemMACS?Dorsomorphinisapotentsmallmoleculeinhibitorofbonemorphogenicprotein(BMP)signaling.ItinhibitstheBMPtypeIreceptorsALK2,ALK3andALK6andpreventsphosphorylationoftheirdownstreamtargetsSmad1,Smad5andSmad8.BMPsignalingisimportantfordevelopmentalpatterningduringembryogenesis.Inpluripotentstemcellresearch,modulationofBMPsignalingisusedtodirectESandiPScelldifferentiation,e.g.intoneurallineagesorcardiomyocytes.Dorsomorphinalsoactsasarevers
IBLe,ATP-competitiveinhibitorofAMP-activatedproteinkinase(Ki=109nM).ItishighlyselectiveanddoesnotinhibitstructurallyrelatedkinasessuchasZAPK,SYK,PKCθ,PKAandJAK3.