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:000025927 TGF-beta 1 isoform 1 mature form (human) hTGFB1/iso:1/mature|PRO_0000033763|UniProtKB:P01137-1, 279-390 enables GO:0042803 protein homodimerization activity PMID:3162913|PMID:8471846 IDA NCBITaxon:9606 UniProtKB:P01137-1 20080301 PRO:CNA PR:000025927 TGF-beta 1 isoform 1 mature form (human) hTGFB1/iso:1/mature|PRO_0000033763|UniProtKB:P01137-1, 279-390 located_in GO:0031012 extracellular matrix PMID:8294500 IDA NCBITaxon:9606 UniProtKB:P01137-1 20080301 PRO:CNA PR:000025927 TGF-beta 1 isoform 1 mature form (human) hTGFB1/iso:1/mature|PRO_0000033763|UniProtKB:P01137-1, 279-390 acts_upstream_of_or_within GO:0007179 transforming growth factor beta receptor signaling pathway PMID:8471846 IDA NCBITaxon:9606 UniProtKB:P01137-1 20080301 PRO:CNA PR:000025927 TGF-beta 1 isoform 1 mature form (human) hTGFB1/iso:1/mature|PRO_0000033763|UniProtKB:P01137-1, 279-390 acts_upstream_of_or_within GO:0043066 negative regulation of apoptotic process PMID:9918798 IDA NCBITaxon:9606 UniProtKB:P01137-1 20080301 PRO:CNA