[Term] id: PR:000027893 name: forkhead box protein O1 isoform 1 phosphorylated 1 def: "A forkhead box protein O1 isoform 1 that has been modified on a conserved Ser residue in the GKSPRRR motif at the C-terminus of the Forkhead box DNA-binding domain.This modification promotes FOXO1 activation and cell death in neurons. Example: UniProtKB:Q12778, Ser-249, MOD:00046." [PRO:PD, PMID:18356527] comment: Category=modification. synonym: "FOXO1/iso:1/Phos:1" EXACT PRO-short-label [PRO:DNx] is_a: PR:000027868 ! forkhead box protein O1 isoform 1 relationship: has_part MOD:00046 ! O-phospho-L-serine