[Term] id: PR:000048322 name: mitogen-activated protein kinase 3, initiator methionine removed phosphorylated 1 (human) def: "A mitogen-activated protein kinase 3 (human) that has had the initiator methionine removed and has been post-translationally modified to include phosphothreonine at position 202, and phosphotyrosine at position 204 of the amino acid sequence represented by UniProtKB:P27361. UniProtKB:P27361, 2-379, Thr-202, MOD:00047|Tyr-204, MOD:00048." [PRO:DNx, Reactome:R-HSA-109842, Reactome:R-HSA-112359] comment: Category=organism-modification. synonym: "hMAPK3/InitMet-/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "PRO_0000186251, Thr-202, MOD:00047|Tyr-204, MOD:00048" EXACT PRO-proteoform-ftid [PRO:DNx] synonym: "UniProtKB:P27361, 2-379, Thr-202, MOD:00047|Tyr-204, MOD:00048" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-109842 "PR:000048322 located_in GO:0005829" xref: Reactome:R-HSA-112359 "PR:000048322 located_in GO:0005654" is_a: PR:P27361 ! mitogen-activated protein kinase 3 (human) relationship: has_part MOD:00047 ! O-phospho-L-threonine relationship: has_part MOD:00048 ! O4'-phospho-L-tyrosine relationship: lacks_part PR:000021937 ! initiator methionine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens