[Term] id: PR:000027777 name: estrogen receptor isoform 1 phosphorylated 5 def: "An estrogen receptor isoform 1 that has been phosphorylated at two Ser residues within the N-terminal activation function 1 (AF1) domain (Pfam:PF02159) in response to reactive oxygen species. Example: UniProtKB:P03372-1, Ser-118/Ser-167, MOD:00046." [PRO:PD, PMID:18941890] comment: Category=modification. synonym: "ESR1/iso:1/Phos:5" EXACT PRO-short-label [PRO:DNx] is_a: PR:000027721 ! estrogen receptor isoform 1 relationship: has_part MOD:00046 ! O-phospho-L-serine