GO biological process

histone H2B ubiquitination, ubiquitin-dependent protein catabolic process, protein polyubiquitination, vegetative to reproductive phase transition of meristem, UV protection, proteasome-mediated ubiquitin-dependent protein catabolic process, DNA repair

GO cellular component

nucleus, cytosol

GO molecular function

ubiquitin-protein transferase activity, ATP binding, ubiquitin protein ligase activity, ubiquitin protein ligase binding