Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At2g21050	Carrier protein involved in proton-driven auxin influx.	No verified direct reference in this release
Arabidopsis	At1g77690	Carrier protein involved in proton-driven auxin influx.	No verified direct reference in this release
Rice	Os10g0147400	Carrier protein involved in proton-driven auxin influx.	No verified direct reference in this release