[Term] id: PR:000025957 name: smad4 isoform 1 monoubiquitinated 2 def: "A smad4 isoform 1 that has been monoubiquitinated on a lysine residue within the MH2 domain by E3 ubiquitin-protein ligase TRIM33. Example: UniProtKB:Q13485-1, Lys-519, MOD:01148." [PMID:18783722] comment: Category=modification. synonym: "SMAD4/iso:1/MonoUbiq:2" EXACT PRO-short-label [PRO:DNx] synonym: "mono-ubiquitinated smad4" RELATED [] is_a: PR:000000366 ! smad4 isoform 1 relationship: has_part MOD:01148 ! ubiquitinylated lysine