PR:000036435	activin receptor type-1 isoform 1, signal peptide removed phosphorylated 1 (human)	hACVR1/iso:1/SigPep-/Phos:1		capable_of	GO:0004675	transmembrane receptor protein serine/threonine kinase activity			PMID:8389764	IDA	NCBITaxon:9606		UniProtKB:Q04771-1	20080301	PRO:CNA	
PR:000036435	activin receptor type-1 isoform 1, signal peptide removed phosphorylated 1 (human)	hACVR1/iso:1/SigPep-/Phos:1		part_of	GO:0048179	activin receptor complex			PMID:8242742	IDA	NCBITaxon:9606		UniProtKB:Q04771-1	20080301	PRO:CNA	
PR:000036435	activin receptor type-1 isoform 1, signal peptide removed phosphorylated 1 (human)	hACVR1/iso:1/SigPep-/Phos:1		capable_of	GO:0048185	activin binding			PMID:8242742	IDA	NCBITaxon:9606		UniProtKB:Q04771-1	20080301	PRO:CNA	
PR:000036435	activin receptor type-1 isoform 1, signal peptide removed phosphorylated 1 (human)	hACVR1/iso:1/SigPep-/Phos:1		participates_in	GO:0007178	transmembrane receptor protein serine/threonine kinase signaling pathway			PMID:8242742|PMID:8389764	IDA	NCBITaxon:9606		UniProtKB:Q04771-1	20080301	PRO:CNA	
PR:000036435	activin receptor type-1 isoform 1, signal peptide removed phosphorylated 1 (human)	hACVR1/iso:1/SigPep-/Phos:1		located_in	GO:0005887	integral component of plasma membrane			PMID:8242742|PMID:8397373	IDA	NCBITaxon:9606		UniProtKB:Q04771-1	20080301	PRO:CNA