PR:000036436	activin receptor type-1 isoform 1, signal peptide removed phosphorylated 1 (mouse)	mACVR1/iso:1/SigPep-/Phos:1		participates_in	GO:0007178	transmembrane receptor protein serine/threonine kinase signaling pathway			PMID:11376112	IDA	NCBITaxon:10090		UniProtKB:P37172-1	20080301	PRO:CNA