[Term] id: PR:000062419 name: mothers against decapentaplegic homolog 2, initiator methionine removed phosphorylated 2 (human) def: "A mothers against decapentaplegic homolog 2 (human) that has had the initiator methionine removed and that has been phosphorylated on the residue at the position equivalent to Ser-250 of the amino acid sequence represented by UniProtKB:Q15796-1. Example: UniProtKB:Q15796-1, 2-467, Ser-250, MOD:00046." [PRO:DNx, Reactome:R-HSA-9731121] comment: Category=organism-modification. synonym: "hSMAD2/InitMet-/Phos:2" EXACT PRO-short-label [PRO:DNx] synonym: "p-S250-SMAD2" RELATED Reactome-displayName [PRO:DNx, Reactome:R-HSA-9731121] synonym: "UniProtKB:Q15796, 2-467, Ser-250, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:Q15796-1, 2-467, Ser-250, MOD:00046" NARROW PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-9731121 "PR:000062419 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