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:P09055-2	integrin beta-1 isoform beta-1D (mouse)	mITGB1/iso:beta-1D		acts_upstream_of_or_within	GO:0048738	cardiac muscle tissue development			MGI_ref:1203253|PMID:9553049	IMP	NCBITaxon:10090	MGI_allele:2154543	MGI:96610	20130913	MGI:MGI	results_in_development_of(MA:0000164)