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:000028510	zona pellucida receptor complex 1 (mouse)	sperm protein complex		acts_upstream_of_or_within	GO:0007339	binding of sperm to zona pellucida			PMID:21880732	EXP	NCBITaxon:10090			20121113	PRO:KC	Note=Purified zona pellucida receptor binding complex shown to bind to solubilized zona pellucida proteins