[Term] id: PR:000025956 name: mothers against decapentaplegic homolog 4 isoform 1 monoubiquitinated 1 (human) def: "A smad4 isoform 1 monoubiquitinated 1 in human. UniProtKB:Q13485-1, Lys-507, MOD:01148." [PMID:18783722] comment: Category=organism-modification. synonym: "hSMAD4/iso:1/MonoUbiq:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:Q13485-1, Lys-507, MOD:01148" EXACT PRO-proteoform-std [PRO:DNx] intersection_of: PR:000025955 ! smad4 isoform 1 monoubiquitinated 1 intersection_of: only_in_taxon NCBITaxon:9606 ! Homo sapiens relationship: has_part MOD:01148 ! ubiquitinylated lysine