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:000045371	smad2 isoform Long unphosphorylated 1 (human)	hSMAD2/iso:Long/UnPhos:1|UniProtKB:Q15796-1, Ser-465/Ser-467, PR:000026291		located_in	GO:0005737	cytoplasm			PMID:15280432|PMID:17074053	IDA	NCBITaxon:9606		UniProtKB:Q15796-1	20151104	PRO:CNA	
PR:000045371	smad2 isoform Long unphosphorylated 1 (human)	hSMAD2/iso:Long/UnPhos:1|UniProtKB:Q15796-1, Ser-465/Ser-467, PR:000026291		located_in	GO:0005769	early endosome			PMID:12356868	IDA	NCBITaxon:9606		UniProtKB:Q15796-1	20151104	PRO:CNA	Note=When bound to PR:000002535
PR:000045371	smad2 isoform Long unphosphorylated 1 (human)	hSMAD2/iso:Long/UnPhos:1|UniProtKB:Q15796-1, Ser-465/Ser-467, PR:000026291		acts_upstream_of_or_within	GO:0007179	transforming growth factor beta receptor signaling pathway			PMID:8752209	IDA	NCBITaxon:9609		UniProtKB:Q15796-1	20151104	PRO:CNA	
PR:000045371	smad2 isoform Long unphosphorylated 1 (human)	hSMAD2/iso:Long/UnPhos:1|UniProtKB:Q15796-1, Ser-465/Ser-467, PR:000026291		enables	GO:0005515	protein binding			PMID:8980228	IPI	NCBITaxon:9606		UniProtKB:Q15796-1	20151104	PRO:CNA