Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At1g14870	Zinc transporter acting in both zinc extrusion and long-distance zinc transport.	Arabidopsis PCR2 is a zinc exporter involved in both zinc extrusion and long-distance zinc transport.; 2010; DOI: 10.1105/tpc.109.070185; PMID: 20647347; https://pubmed.ncbi.nlm.nih.gov/20647347/
Arabidopsis	At1g68610	May be involved in heavy metals transport.	No verified direct reference in this release