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:P36897-1	TGF-beta receptor type-1 isoform 1 (human)	hTGFBR1/iso:1		acts_upstream_of_or_within	GO:0007165	signal transduction			PMID:8242743	TAS	NCBITaxon:9606		UniProtKB:P36897-1	20080301	PRO:CNA