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:Q9CUN6	E3 ubiquitin-protein ligase SMURF1 (mouse)	HECT-type E3 ubiquitin transferase SMURF1 (mouse)|mSMURF1|SMAD ubiquitination regulatory factor 1 (mouse)|SMAD-specific E3 ubiquitin-protein ligase 1 (mouse)|Smurf1		acts_upstream_of_or_within	GO:0030514	negative regulation of BMP signaling pathway			PMID:14711801	IDA	NCBITaxon:10090		UniProtKB:Q9CUN6	20080301	PRO:CNA