[Term] id: PR:000045808 name: glycogen synthase kinase-3 alpha phosphorylated 1 (human) def: "A glycogen synthase kinase-3 alpha (human) that has been phosphorylated at Ser-21. UniProtKB:P49840, Ser-21, MOD:00046." [PMID:11035810, iPTMnet:P49840] comment: Category=organism-modification. Evidence=(ECO:0000006, based on PMID:11035810). Status=unreviewed. synonym: "hGSK3A/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P49840, Ser-21, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-198352 "PR:000045808 located_in GO:0005829" is_a: PR:P49840 ! glycogen synthase kinase-3 alpha (human) relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens