Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At3g52080	May operate as a cation/H(+) antiporter.	No verified direct reference in this release
Arabidopsis	At2g13620	May operate as a cation/H(+) antiporter.	No verified direct reference in this release
Arabidopsis	At3g17630	May operate as a cation/H(+) antiporter.	No verified direct reference in this release
Arabidopsis	At5g41610	May operate as a cation/H(+) antiporter.	No verified direct reference in this release
Arabidopsis	At1g05580	Operates as a K(+)/H(+) antiporter or Na(+)/H(+) antiporter of the chloroplast envelope that functions in pH homeostasis and chloroplast development.	A probable Na+(K+)/H+ exchanger on the chloroplast envelope functions in pH homeostasis and chloroplast development in Arabidopsis thaliana.; 2004; DOI: 10.1073/pnas.0403709101; PMID: 15220473; https://pubmed.ncbi.nlm.nih.gov/15220473/ | Pollen tubes lacking a pair of K+ transporters fail to target ovules in Arabidopsis.; 2011; DOI: 10.1105/tpc.110.080499; PMID: 21239645; https://pubmed.ncbi.nlm.nih.gov/21239645/