[Term] id: PR:000027764 name: cellular tumor antigen p53 isoform 1 phosphorylated 3 (human) def: "A cellular tumor antigen p53 isoform 1 phosphorylated 3 in human. UniProtKB:P04637-1, Thr-81, MOD:00047." [PRO:DAN, PRO:PD, PMID:11283254] comment: Category=organism-modification. Kinase=("MAPK8"; PR:P45983; Thr-81). Note: The kinase MAPK8 is called JNK in PMID:11283254. synonym: "hTP53/iso:1/Phos:3" EXACT PRO-short-label [PRO:DNx] synonym: "p53alpha pT81" EXACT [] synonym: "UniProtKB:P04637-1, Thr-81, MOD:00047" EXACT PRO-proteoform-std [PRO:DNx] intersection_of: PR:000027763 ! cellular tumor antigen p53 isoform 1 phosphorylated 3 intersection_of: only_in_taxon NCBITaxon:9606 ! Homo sapiens relationship: has_part MOD:00047 ! O-phospho-L-threonine