[Term] id: PR:000045494 name: smad2 isoform Short unphosphorylated 1 (human) def: "A mothers against decapentaplegic homolog 2 isoform Short (human) that lacks phosphorylation on the last two Ser of the C-terminal SSxS motif. UniProtKB:Q15796-2, Ser-435/Ser-437, PR:000026291." [PRO:CNA] comment: Category=organism-modification. synonym: "hSMAD2/iso:Short/UnPhos:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:Q15796-2, Ser-435/Ser-437, PR:000026291" EXACT PRO-proteoform-std [PRO:DNx] is_a: PR:Q15796-2 ! mothers against decapentaplegic homolog 2 isoform Short (human) relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens