[Term] id: PR:000063126 name: mitogen-activated protein kinase 3 isoform h3, initiator methionine removed phosphorylated 1 (human) def: "A mitogen-activated protein kinase 3 isoform h3 (human) that has had the initiator methionine removed and that has been phosphorylated on the residue at the position equivalent to Tyr-204 of the amino acid sequence represented by UniProtKB:P27361-3. UniProtKB:P27361-3, 2-357, Tyr-204, MOD:00048." [PRO:DNx, Reactome:R-HSA-2422448] comment: Category=organism-modification. synonym: "hMAPK3/iso:h3/InitMet-/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "p-Y204-MAPK3-3" RELATED Reactome-displayName [PRO:DNx, Reactome:R-HSA-2422448] synonym: "UniProtKB:P27361-3, 2-357, Tyr-204, MOD:00048" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-2422448 "PR:000063126 located_in GO:0005829" is_a: PR:P27361-3 ! mitogen-activated protein kinase 3 isoform h3 (human) relationship: has_part MOD:00048 ! O4'-phospho-L-tyrosine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens