[Term] id: PR:000045867 name: transcription factor E2F1 phosphorylated 1 (human) def: "A transcription factor E2F1 (human) that has been phosphorylated at Ser-403. UniProtKB:Q01094, Ser-403, MOD:00046." [PMID:20447425, iPTMnet:Q01094] comment: Category=organism-modification. Evidence=(ECO:0000006, based on PMID:20447425). Status=unreviewed. synonym: "hE2F1/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:Q01094, Ser-403, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] is_a: PR:Q01094 ! transcription factor E2F1 (human) relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens