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:000000620	TGF-beta 1 sequence variant T81H cleaved 2 (human)	hTGFB1/var:T81H/Clv:2|TGF-beta 1 sequence variant 2 cleaved 2 (human)|UniProtKB:P01137, 30-278, Tyr-81, CHEBI:29979		located_in	GO:0005615	extracellular space			PMID:12493741	EXP	NCBITaxon:9606		UniProtKB_VAR:VAR_017607	20080301	PRO:CNA