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:000049848	platelet-derived growth factor receptor beta, signal peptide removed unphosphorylated 2 (human)	hPDGFRB/SigPep-/UnPhos:2|UniProtKB:P09619-1, 33-1106, Tyr-857, PR:000026291		acts_upstream_of_or_within	GO:0038083	peptidyl-tyrosine autophosphorylation			PMID:9642269	EXP	NCBITaxon:9606		UniProtKB:P09619	20170515	PRO:KER