[Term] id: PR:000027833 name: cellular tumor antigen p53 isoform 1 phosphorylated 9 (human) def: "A cellular tumor antigen p53 isoform 1 phosphorylated 9 in human. UniProtKB:P04637-1, Ser-15/Ser-37, MOD:00046." [PMID:14712210, PRO:PD] comment: Category=organism-modification. synonym: "p53-pSer15-pSer37" EXACT [] synonym: "hTP53/iso:1/Phos:9" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P04637-1, Ser-15/Ser-37, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] intersection_of: only_in_taxon NCBITaxon:9606 ! Homo sapiens intersection_of: PR:000027832 ! cellular tumor antigen p53 isoform 1 phosphorylated 9 relationship: has_part MOD:00046 ! O-phospho-L-serine