[Term] id: PR:000048298 name: dual specificity mitogen-activated protein kinase kinase 4 phosphorylated 1 (human) def: "A dual specificity mitogen-activated protein kinase kinase 4 (human) that has been phosphorylated on the residue at the position equivalent to Ser-257, and phosphothreonine at position 261 of the amino acid sequence represented by UniProtKB:P45985. UniProtKB:P45985, Ser-257, MOD:00046|Thr-261, MOD:00047." [PRO:DNx, Reactome:R-HSA-168170] comment: Category=organism-modification. synonym: "hMAP2K4/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P45985, Ser-257, MOD:00046|Thr-261, MOD:00047" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-168170 "PR:000048298 located_in GO:0005829" is_a: PR:P45985 ! dual specificity mitogen-activated protein kinase kinase 4 (human) relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: has_part MOD:00047 ! O-phospho-L-threonine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens