Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At5g27700	Small ribosomal subunit protein eS21y.	No verified direct reference in this release
Arabidopsis	At3g53890	Small ribosomal subunit protein eS21z.	No verified direct reference in this release
Rice	Os03g0345200	Small ribosomal subunit protein eS21.	No verified direct reference in this release