Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At1g55730	Vacuolar cation/proton exchanger (CAX).	No verified direct reference in this release
Arabidopsis	At3g13320	Vacuolar cation/proton exchanger (CAX).	Manganese specificity determinants in the Arabidopsis metal/H+ antiporter CAX2.; 2003; DOI: 10.1074/jbc.m209952200; PMID: 12496310; https://pubmed.ncbi.nlm.nih.gov/12496310/
Arabidopsis	At1g55720	Vacuolar cation/proton exchanger (CAX).	No verified direct reference in this release
Rice	Os03g0397400	Vacuolar cation/proton exchanger (CAX).	Expression profile of the genes for rice cation/H+ exchanger family and functional analysis in yeast.; 2005; DOI: 10.1093/pcp/pci173; PMID: 16043430; https://pubmed.ncbi.nlm.nih.gov/16043430/
Rice	Os04g0653200	Vacuolar cation/proton exchanger (CAX).	Expression profile of the genes for rice cation/H+ exchanger family and functional analysis in yeast.; 2005; DOI: 10.1093/pcp/pci173; PMID: 16043430; https://pubmed.ncbi.nlm.nih.gov/16043430/