[Term] id: PR:000045371 name: smad2 isoform Long unphosphorylated 1 (human) def: "A mothers against decapentaplegic homolog 2 isoform Long (human) that lacks phosphorylation on the two last Ser of the C-terminal SSxS motif in human. UniProtKB:Q15796-1, Ser-465/Ser-467, PR:000026291." [PRO:CNA] comment: Category=organism-modification. synonym: "hSMAD2/iso:Long/UnPhos:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:Q15796-1, Ser-465/Ser-467, PR:000026291" EXACT PRO-proteoform-std [PRO:DNx] is_a: PR:Q15796-1 ! mothers against decapentaplegic homolog 2 isoform Long (human) relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens