[Term] id: PR:000025958 name: mothers against decapentaplegic homolog 4 isoform 1 monoubiquitinated 2 (human) def: "A smad4 isoform 1 monoubiquitinated 2 in human. UniProtKB:Q13485-1, Lys-519, MOD:01148." [PMID:19135894] comment: Category=organism-modification. synonym: "hSMAD4/iso:1/MonoUbiq:2" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:Q13485-1, Lys-519, MOD:01148" EXACT PRO-proteoform-std [PRO:DNx] intersection_of: PR:000025957 ! smad4 isoform 1 monoubiquitinated 2 intersection_of: only_in_taxon NCBITaxon:9606 ! Homo sapiens relationship: has_part MOD:01148 ! ubiquitinylated lysine