[Term] id: PR:000027813 name: cellular tumor antigen p53 isoform 1 phosphorylated 12 def: "A cellular tumor antigen p53 isoform 1 that has been phosphorylated at two Ser residues, one located in the N-terminal transactivation domain and the other in the C-terminal region of p53. Example: UniProtKB:P04637-1, Ser-15/Ser-392, MOD:00046." [PRO:PD, PMID:21317932] comment: Category=modification. synonym: "TP53/iso:1/Phos:12" EXACT PRO-short-label [PRO:DNx] is_a: PR:000003036 ! cellular tumor antigen p53 isoform 1 relationship: has_part MOD:00046 ! O-phospho-L-serine