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:000036437	activin receptor type-1B isoform 1 phosphorylated 1 (human)	hACVR1B/iso:1/Phos:1		enables	GO:0016361	activin receptor activity, type I			PMID:8622651	IDA	NCBITaxon:9606		UniProtKB:P36896-1	20080301	PRO:CNA	
PR:000036437	activin receptor type-1B isoform 1 phosphorylated 1 (human)	hACVR1B/iso:1/Phos:1		enables	GO:0046332	SMAD binding		PR:000000066	PMID:12065756	IPI	NCBITaxon:9606		UniProtKB:P36896-1	20080301	PRO:CNA	
PR:000036437	activin receptor type-1B isoform 1 phosphorylated 1 (human)	hACVR1B/iso:1/Phos:1		located_in	GO:0005886	plasma membrane			PMID:8397373	IDA	NCBITaxon:9606		UniProtKB:P36896-1	20080301	PRO:CNA	
PR:000036437	activin receptor type-1B isoform 1 phosphorylated 1 (human)	hACVR1B/iso:1/Phos:1		located_in	GO:0009986	cell surface			PMID:12665502	IDA	NCBITaxon:9606		UniProtKB:P36896-1	20080301	PRO:CNA	
PR:000036437	activin receptor type-1B isoform 1 phosphorylated 1 (human)	hACVR1B/iso:1/Phos:1		acts_upstream_of_or_within	GO:0006468	protein phosphorylation			PMID:12065756	IDA	NCBITaxon:9606		UniProtKB:P36896-1	20080301	PRO:CNA