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	Protein _region	Modified_residue, MOD_ID	Date	Assigned_by	Equivalent_Form	Comment	Protein_Features
PR:000000070	activin receptor type-2A	ACVR2A		has_function	GO:0048185	activin binding			PIRSF:PIRSF500457	ISS		PIRSF:PIRSF500457|UniProtKB:P27037|UniProtKB:Q8BRV4|UniProtKB:P27038	PIRSF:PIRSF500457|UniProtKB:P27037, Q8BRV4, P27038			20080301	PRO:CNA	UniProtKB:P27037, P27038		
PR:000000070	activin receptor type-2A	ACVR2A		participates_in	GO:0032924	activin receptor signaling pathway			PIRSF:PIRSF500457	ISS		PIRSF:PIRSF500457|UniProtKB:P27037|UniProtKB:Q8BRV4|UniProtKB:P27038	PIRSF:PIRSF500457|UniProtKB:P27037, Q8BRV4, P27038			20080301	PRO:CNA	UniProtKB:P27037, P27038