Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At3g52590	Exists either covalently attached to another protein, or free (unanchored).	No verified direct reference in this release
Arabidopsis	At2g36170	Exists either covalently attached to another protein, or free (unanchored).	No verified direct reference in this release
Rice	Os09g0568400	Exists either covalently attached to another protein, or free (unanchored).	No verified direct reference in this release