http://linkedlifedata.com/r... | skos:definition | "Catalysis of ATP-dependent isopeptide bond formation between the carboxy-terminal glycine residues of the small ubiquitin-related modifier SUMO and a substrate lysine residue, leading to the formation of predominately monosumoylated proteins with modified function." [GOC:rn, PMID:11031248, PMID:11265250] | lld:geneontology |