PRO_ID	Object_term	Object_syny	Modifier	Relation	Ontology_ID	Ontology_term	Relative_to	Interaction_with	Evidence_source	Evidence_code	Taxon	Inferred_from	DB_ID	Date	Assigned_by	Comment
PR:000036435	activin receptor type-1 isoform 1, signal peptide removed phosphorylated 1 (human)	hACVR1/iso:1/SigPep-/Phos:1		enables	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		enables	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		located_in	GO:0005886	plasma membrane			PMID:8242742|PMID:8397373	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		acts_upstream_of_or_within	GO:0007178	cell surface receptor protein serine/threonine kinase signaling pathway			PMID:8242742|PMID:8389764	IDA	NCBITaxon:9606		UniProtKB:Q04771-1	20080301	PRO:CNA