Phosphorylation of SMAD2,3 by Activin:Activin Receptor (Drosophila melanogaster)
phosphorylation of smad2,3 by activin:activin receptor (drosophila melanogaster)
Phosphorylation of SMAD2,3 by Activin:Activin Receptor (Drosophila melanogaster)
phosphorylation of smad2,3 by activin:activin receptor (drosophila melanogaster)