EOG8WQ3GN GO:0004842 1/86 ubiquitin-protein transferase activity molecular_function "Catalysis of the transfer of ubiquitin from one protein to another via the reaction X-Ub + Y --> Y-Ub + X, where both X-Ub and Y-Ub are covalent linkages." [GOC:BioGRID, GOC:jh2, PMID:9635407] EOG8WQ3GN GO:0051438 1/86 regulation of ubiquitin-protein transferase activity biological_process "Any process that modulates the frequency, rate or extent of ubiquitin transferase activity." [GOC:ai, GOC:tb]