Accepts the ubiquitin from the E1 complex and catalyzes its covalent attachment to other proteins. Mediates the selective degradation of short-lived and abnormal proteins. UBC10 Protein, Arabidopsis thaliana, Recombinant (His) is expressed in E. coli expression system with N-6xHis tag. The predicted molecular weight is 20.6 kDa and the accession number is P35133.