Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At4g30110	Plays an important role in zinc transport and homeostasis.	P-type ATPase heavy metal transporters with roles in essential zinc homeostasis in Arabidopsis.; 2004; DOI: 10.1105/tpc.020487; PMID: 15100400; https://pubmed.ncbi.nlm.nih.gov/15100400/
Arabidopsis	At2g19110	Involved in cadmium/zinc transport.	No verified direct reference in this release
Arabidopsis	UniProt: P0CW78	In a heterologous system, involved in cadmium and lead transport, but not in zinc transport.	No verified direct reference in this release
Rice	Os06g0700700	Zinc/cadmium transporter that plays an essential role in promoting translocation of zinc and cadmium from roots to shoots.	Cadmium retention in rice roots is influenced by cadmium availability, chelation and translocation.; 2011; DOI: 10.1111/j.1365-3040.2011.02299.x; PMID: 21388416; https://pubmed.ncbi.nlm.nih.gov/21388416/ | Mutations in rice (Oryza sativa) heavy metal ATPase 2 (OsHMA2) restrict the translocation of zinc and cadmium.; 2012; DOI: 10.1093/pcp/pcr166; PMID: 22123790; https://pubmed.ncbi.nlm.nih.gov/22123790/ | The OsHMA2 transporter is involved in root-to-shoot translocation of Zn and Cd in rice.; 2012; DOI: 10.1111/j.1365-3040.2012.02527.x; PMID: 22548273; https://pubmed.ncbi.nlm.nih.gov/22548273/ | Preferential delivery of zinc to developing tissues in rice is mediated by P-type heavy metal ATPase OsHMA2.; 2013; DOI: 10.1104/pp.113.216564; PMID: 23575418; https://pubmed.ncbi.nlm.nih.gov/23575418/
Rice	Os07g0232900	Root-specific cadmium (Cd) transporter that mediates Cd efflux in root vacuoles.	Gene limiting cadmium accumulation in rice.; 2010; DOI: 10.1073/pnas.1005396107; PMID: 20823253; https://pubmed.ncbi.nlm.nih.gov/20823253/ | OsHMA3, a P1B-type of ATPase affects root-to-shoot cadmium translocation in rice by mediating efflux into vacuoles.; 2011; DOI: 10.1111/j.1469-8137.2010.03459.x; PMID: 20840506; https://pubmed.ncbi.nlm.nih.gov/20840506/ | Overexpression of OsHMA3 enhances Cd tolerance and expression of Zn transporter genes in rice.; 2014; DOI: 10.1093/jxb/eru340; PMID: 25151617; https://pubmed.ncbi.nlm.nih.gov/25151617/