[Term] id: PR:000003039 name: cellular tumor antigen p53 isoform 1 phosphorylated 1 def: "A cellular tumor antigen p53 isoform 1 phosphorylated form in which the phosphorylation occurs at the Ser residue equivalent to Ser-15 of the amino acid sequence represented by UniProtKB:P04637-1. Example: UniProtKB:P04637-1, Ser-15, MOD:00046." [PRO:CL, PRO:DAN, PMID:11602639] comment: Category=modification. synonym: "TP53/iso:1/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "p53S15" EXACT [] is_a: PR:000003038 ! cellular tumor antigen p53 isoform 1 phosphorylated form relationship: has_part MOD:00046 ! O-phospho-L-serine