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:000027833 cellular tumor antigen p53 isoform 1 phosphorylated 9 (human) hTP53/iso:1/Phos:9|p53-pSer15-pSer37|UniProtKB:P04637-1, Ser-15/Ser-37, MOD:00046 acts_upstream_of_or_within GO:0010468 regulation of gene expression PMID:14712210 EXP NCBITaxon:9606 UniProtKB:P04637-1 20110929 PRO:PD