Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At5g50680	The dimeric enzyme acts as an E1 ligase for SUMO1 and SUMO2.	No verified direct reference in this release
Arabidopsis	At5g50580	The dimeric enzyme acts as an E1 ligase for SUMO1 and SUMO2.	No verified direct reference in this release
Arabidopsis	At4g24940	The dimeric enzyme acts as an E1 ligase for SUMO1 and SUMO2.	No verified direct reference in this release