Predicted to enable potassium:proton antiporter activity and sodium:proton antiporter activity. Predicted to be involved in potassium ion transmembrane transport and regulation of intracellular pH. Predicted to act upstream of or within potassium ion transport and sodium ion transport. Predicted to be located in Golgi membrane. Predicted to be integral component of membrane. Predicted to be active in Golgi apparatus. Orthologous to human SLC9A8 (solute carrier family 9 member A8). [provided by Alliance of Genome Resources, Apr 2022]