IndraLab

Statements



sparser
"Activin A interacts with the type II activin receptors, ActRIIA and ActRIIB, leading to the recruitment and activation of the type I receptor Alk4 and subsequent phosphorylation of Smad2/3."

sparser
"Activins bind to activin receptor type IIA (ActRIIA) or ActRIIB in a complex with ALK4, while BMPs signal via BMP type II receptor (BMPRII), ActRIIA or ActRIIB, in combination with ALK1, 2, 3 or 6."