[Term] id: PR:000064876 name: proteasome subunit alpha type-3 phosphorylated 1 (human) def: "A proteasome subunit alpha type-3 (human) that has been phosphorylated on the residue at the position equivalent to Ser-155 of the amino acid sequence represented by UniProtKB:P25788-1. Example: UniProtKB:P25788-1, Ser-155, MOD:00046." [PRO:DNx, IEDB_epitope:1356490] comment: Category=organism-modification. synonym: "hPSMA3/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P25788, Ser-155, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:P25788-1, Ser-155, MOD:00046" NARROW PRO-proteoform-std [PRO:DNx] is_a: PR:P25788 ! proteasome subunit alpha type-3 (human) relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens