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:P35546-2 proto-oncogene tyrosine-protein kinase receptor Ret isoform 2 (mouse) mRET/iso:2|RET9 (mouse) acts_upstream_of_or_within GO:0001838 embryonic epithelial tube formation MGI_ref:3513229|PMID:15569713 IDA NCBITaxon:10090 MGI:97902 20080813 MGI:MGI