[Term] id: PR:000036624 name: cellular tumor antigen p53 isoform 1 phosphorylated 2 (human) def: "A cellular tumor antigen p53 isoform 1 phosphorylated 2 in human. UniProtKB:P04637-1, Ser-15/Ser-46, MOD:00046." [PRO:CL, PMID:15642743] comment: Category=organism-modification. synonym: "hTP53/iso:1/Phos:2" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P04637-1, Ser-15/Ser-46, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] intersection_of: PR:000003040 ! cellular tumor antigen p53 isoform 1 phosphorylated 2 intersection_of: only_in_taxon NCBITaxon:9606 ! Homo sapiens relationship: has_part MOD:00046 ! O-phospho-L-serine