[Term] id: PR:000060296 name: receptor tyrosine-protein kinase erbB-2 sequence variant H878Y, signal peptide removed phosphotyrosine form (human) def: "A receptor tyrosine-protein kinase erbB-2 (human) that has a Tyr residue at the position equivalent to His-878 of the amino acid sequence represented by UniProtKB:P04626-1, that has had the signal peptide removed, and that includes at least 1 phosphorylated tyrosine. Example: UniProtKB:P04626-1, 23-1255, His-878, CHEBI:46858|MOD:00048." [PRO:DNx, Reactome:R-HSA-9654833] comment: Category=organism-modification. synonym: "hERBB2/var:H878Y/SigPep-/PhosTyr+" EXACT PRO-short-label [PRO:DNx] synonym: "p-Y-ERBB2 H878Y" RELATED Reactome-displayName [PRO:DNx, Reactome:R-HSA-9654833] synonym: "UniProtKB:P04626, 23-1255, His-878, CHEBI:46858|MOD:00048" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:P04626-1, 23-1255, His-878, CHEBI:46858|MOD:00048" NARROW PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-9654833 "PR:000060296 located_in GO:0005886" is_a: PR:P04626 ! receptor tyrosine-protein kinase erbB-2 (human) relationship: has_part MOD:00048 ! O4'-phospho-L-tyrosine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens