Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At2g18600	Accepts the ubiquitin-like protein NEDD8/RUB1 from the ECR1-AXR1 E1 complex and catalyzes its covalent attachment to other proteins.	No verified direct reference in this release
Arabidopsis	At4g36800	Accepts the ubiquitin-like protein NEDD8/RUB1 from the ECR1-AXR1 E1 complex and catalyzes its covalent attachment to other proteins.	No verified direct reference in this release