[Term] id: PR:000060461 name: serine/threonine-protein kinase B-raf sequence variant Q257R, initiator methionine removed phosphorylated 1 (human) def: "A serine/threonine-protein kinase B-raf (human) that has an Arg residue at the position equivalent to Gln-257 of the amino acid sequence represented by UniProtKB:P15056, that has had the initiator methionine removed, and that has been phosphorylated on the residues at the positions equivalent to Ser-446 and Ser-729. UniProtKB:P15056, 2-766, Gln-257, CHEBI:29952|Ser-446/Ser-729, MOD:00046." [PRO:DNx, Reactome:R-HSA-9651157] comment: Category=organism-modification. synonym: "hBRAF/var:Q257R/InitMet-/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "BRAF Q257R" RELATED Reactome-displayName [PRO:DNx, Reactome:R-HSA-9651157] synonym: "UniProtKB:P15056, 2-766, Gln-257, CHEBI:29952|Ser-446/Ser-729, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-9651157 "PR:000060461 located_in GO:0005829" is_a: PR:P15056 ! serine/threonine-protein kinase B-raf (human) relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens