Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At2g01980	Acts in electroneutral exchange of protons for cations such as Na⁺ or Li⁺ across plasma membrane.	The Arabidopsis thaliana salt tolerance gene SOS1 encodes a putative Na+/H+ antiporter.; 2000; DOI: 10.1073/pnas.120170197; PMID: 10823923; https://pubmed.ncbi.nlm.nih.gov/10823923/ | The putative plasma membrane Na(+)/H(+) antiporter SOS1 controls long-distance Na(+) transport in plants.; 2002; DOI: 10.1105/tpc.010371; PMID: 11884687; https://pubmed.ncbi.nlm.nih.gov/11884687/ | Regulation of SOS1, a plasma membrane Na+/H+ exchanger in Arabidopsis thaliana, by SOS2 and SOS3.; 2002; DOI: 10.1073/pnas.122224699; PMID: 12034882; https://pubmed.ncbi.nlm.nih.gov/12034882/ | SOS1, a Genetic Locus Essential for Salt Tolerance and Potassium Acquisition.; 1996; DOI: 10.1105/tpc.8.4.617; PMID: 12239394; https://pubmed.ncbi.nlm.nih.gov/12239394/ | Overexpression of a plasma membrane Na+/H+ antiporter gene improves salt tolerance in Arabidopsis thaliana.; 2003; DOI: 10.1038/nbt766; PMID: 12469134; https://pubmed.ncbi.nlm.nih.gov/12469134/ | Na+/H+ exchange activity in the plasma membrane of Arabidopsis.; 2003; DOI: 10.1104/pp.102.010421; PMID: 12805632; https://pubmed.ncbi.nlm.nih.gov/12805632/
Arabidopsis	At1g14660	May act in low affinity electroneutral exchange of protons for cations such as Na(+) or K(+) across membranes.	No verified direct reference in this release