Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At5g50430	Accepts the ubiquitin from the E1 complex and catalyzes its covalent attachment to other proteins.	No verified direct reference in this release
Arabidopsis	At1g17280	Accepts the ubiquitin from the E1 complex and catalyzes its covalent attachment to other proteins.	No verified direct reference in this release