IndraLab
Statements
reach
"TGF-β binds to a heteromeric complex of transmembrane serine/threonine kinases, the type I and type II receptors, activin receptor-like kinase 5 (ALK5) and transforming growth factor-beta receptor type II TβRII, which phosphorylate and activate the TGF-β specific intracellular signaling mediators Smad2 and Smad3."