[Term] id: PR:000060657 name: mothers against decapentaplegic homolog 2 sequence variant D300V, initiator methionine removed phosphorylated 1 (human) def: "A mothers against decapentaplegic homolog 2 (human) that has a Val residue at the position equivalent to Asp-300 of the amino acid sequence represented by UniProtKB:Q15796-1, that has had the initiator methionine removed, and that has been phosphorylated on the residues at the positions equivalent to Ser-465 and Ser-467. Example: UniProtKB:Q15796-1, 2-467, Asp-300, CHEBI:30015|Ser-465/Ser-467, MOD:00046." [PRO:DNx, Reactome:R-HSA-3315067] comment: Category=organism-modification. synonym: "hSMAD2/var:D300V/InitMet-/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "p-S465,S467-SMAD2 D300V" RELATED Reactome-displayName [PRO:DNx, Reactome:R-HSA-3315067] synonym: "UniProtKB:Q15796, 2-467, Asp-300, CHEBI:30015|Ser-465/Ser-467, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:Q15796-1, 2-467, Asp-300, CHEBI:30015|Ser-465/Ser-467, MOD:00046" NARROW PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-3315067 "PR:000060657 located_in GO:0005829" is_a: PR:Q15796 ! mothers against decapentaplegic homolog 2 (human) relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens