An Activin receptor is a receptor which binds
activin. These proteins are
receptor-type kinases of Ser/Thr type, which have a single transmembrane domain and a specific hydrophilic Cys-rich ligand-binding domain.[1][2][3]
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S2CID4344481.
^Massague J, Weis-Garcia F (1996). "Serine/threonine kinase receptors: mediators of transforming growth factor beta family signals". Cancer Surv. 27: 41–64.
PMID8909794.