Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At5g05080	Accepts the ubiquitin from the E1 complex and catalyzes its covalent attachment to other proteins.	Genome analysis and functional characterization of the E2 and RING-type E3 ligase ubiquitination enzymes of Arabidopsis.; 2005; DOI: 10.1104/pp.105.067983; PMID: 16339806; https://pubmed.ncbi.nlm.nih.gov/16339806/