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:000000071	activin receptor type-2B	activin receptor type IIB|ACTR-IIB|ACVR2B		enables	GO:0048185	activin binding			PIRSF:PIRSF500456	ISS		PIRSF:PIRSF500456|UniProtKB:P27040|UniProtKB:Q13705|UniProtKB:Q3KQI1	PIRSF:PIRSF500456|UniProtKB:P27040|UniProtKB:Q13705|UniProtKB:Q3KQI1	20080301	PRO:CNA	
PR:000000071	activin receptor type-2B	activin receptor type IIB|ACTR-IIB|ACVR2B		acts_upstream_of_or_within	GO:0032924	activin receptor signaling pathway			PIRSF:PIRSF500456	ISS		PIRSF:PIRSF500456|UniProtKB:P27040|UniProtKB:Q13705|UniProtKB:Q3KQI1	PIRSF:PIRSF500456|UniProtKB:P27040|UniProtKB:Q13705|UniProtKB:Q3KQI1	20080301	PRO:CNA	
PR:000036442	activin receptor type-2B isoform ActR-IIB2 N-glycosylated and phosphorylated 1 (mouse)	activin receptor type-2B isoform 1 glycosylated and phosphorylated 1 (mouse)|mACVR2B/iso:1/GlycoPhos:1|mACVR2B/iso:ActR-IIB2/NGlycoPhos:1		acts_upstream_of_or_within	GO:0032925	regulation of activin receptor signaling pathway			PMID:8721982	IDA	NCBITaxon:10090		UniProtKB:P27040-2	20080301	PRO:CNA	
PR:000036442	activin receptor type-2B isoform ActR-IIB2 N-glycosylated and phosphorylated 1 (mouse)	activin receptor type-2B isoform 1 glycosylated and phosphorylated 1 (mouse)|mACVR2B/iso:1/GlycoPhos:1|mACVR2B/iso:ActR-IIB2/NGlycoPhos:1		acts_upstream_of_or_within	GO:0007178	transmembrane receptor protein serine/threonine kinase signaling pathway			PMID:8721982	IDA	NCBITaxon:10090		UniProtKB:P27040-2	20080301	PRO:CNA	
PR:000036442	activin receptor type-2B isoform ActR-IIB2 N-glycosylated and phosphorylated 1 (mouse)	activin receptor type-2B isoform 1 glycosylated and phosphorylated 1 (mouse)|mACVR2B/iso:1/GlycoPhos:1|mACVR2B/iso:ActR-IIB2/NGlycoPhos:1		enables	GO:0004675	transmembrane receptor protein serine/threonine kinase activity			PMID:1326537	IDA	NCBITaxon:10090		UniProtKB:P27040-2	20080301	PRO:CNA	
PR:000036442	activin receptor type-2B isoform ActR-IIB2 N-glycosylated and phosphorylated 1 (mouse)	activin receptor type-2B isoform 1 glycosylated and phosphorylated 1 (mouse)|mACVR2B/iso:1/GlycoPhos:1|mACVR2B/iso:ActR-IIB2/NGlycoPhos:1	NOT	enables	GO:0050431	transforming growth factor beta binding			PMID:1326537	IDA	NCBITaxon:10090		UniProtKB:P27040-2	20080301	PRO:CNA	
PR:000036442	activin receptor type-2B isoform ActR-IIB2 N-glycosylated and phosphorylated 1 (mouse)	activin receptor type-2B isoform 1 glycosylated and phosphorylated 1 (mouse)|mACVR2B/iso:1/GlycoPhos:1|mACVR2B/iso:ActR-IIB2/NGlycoPhos:1		enables	GO:0019838	growth factor binding			PMID:11459935|PMID:12414726	IDA	NCBITaxon:10090		UniProtKB:P27040-2	20080301	PRO:CNA	
PR:000036442	activin receptor type-2B isoform ActR-IIB2 N-glycosylated and phosphorylated 1 (mouse)	activin receptor type-2B isoform 1 glycosylated and phosphorylated 1 (mouse)|mACVR2B/iso:1/GlycoPhos:1|mACVR2B/iso:ActR-IIB2/NGlycoPhos:1		acts_upstream_of_or_within	GO:0009952	anterior/posterior pattern specification			PMID:10452853|PMID:16991118	IDA	NCBITaxon:10090		UniProtKB:P27040-2	20080301	PRO:CNA	
PR:P27040-1	activin receptor type-2B isoform ActR-IIB1 (mouse)	mACVR2B/iso:ActR-IIB1		located_in	GO:0005886	plasma membrane			PMID:1310075	IDA	NCBITaxon:10090		UniProtKB:P27040-1	20080301	PRO:CNA	
PR:P27040-1	activin receptor type-2B isoform ActR-IIB1 (mouse)	mACVR2B/iso:ActR-IIB1		part_of	GO:0048179	activin receptor complex			PMID:1310075	IDA	NCBITaxon:10090		UniProtKB:P27040-1	20080301	PRO:CNA	
PR:P27040-3	activin receptor type-2B isoform ActR-IIB3 (mouse)	mACVR2B/iso:ActR-IIB3		located_in	GO:0005886	plasma membrane			PMID:1310075	IDA	NCBITaxon:10090		UniProtKB:P27040-3	20080301	PRO:CNA	
PR:P27040-3	activin receptor type-2B isoform ActR-IIB3 (mouse)	mACVR2B/iso:ActR-IIB3		part_of	GO:0048179	activin receptor complex			PMID:1310075	IDA	NCBITaxon:10090		UniProtKB:P27040-3	20080301	PRO:CNA	
PR:P27040-4	activin receptor type-2B isoform ActR-IIB4 (mouse)	mACVR2B/iso:ActR-IIB4		located_in	GO:0005886	plasma membrane			PMID:1310075	IDA	NCBITaxon:10090		UniProtKB:P27040-4	20080301	PRO:CNA	
PR:P27040-4	activin receptor type-2B isoform ActR-IIB4 (mouse)	mACVR2B/iso:ActR-IIB4		part_of	GO:0048179	activin receptor complex			PMID:1310075	IDA	NCBITaxon:10090		UniProtKB:P27040-4	20080301	PRO:CNA