Enables the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: Ca2+(in) + K+(in) + Na+(out) = Ca2+(out) + K+(out) + Na+(in).
calcium:sodium antiporter activity involved in regulation of cardiac muscle cell membrane potential
potassium:proton antiporter activity
Synonyms
Related Synonyms:
potassium-dependent sodium/calcium exchanger
Xrefs:
RHEA:69967
;
Reactome:R-HSA-5625841 "Defective SLC24A1 does not exchange extracellular 4Na+ for cytosolic Ca2+, K+"
;
Reactome:R-HSA-5626270 "Defective SLC24A4 does not exchange extracellular 4Na+ for cytosolic Ca2+, K+"
;
Reactome:R-HSA-5626356 "Defective SLC24A5 does not exchange cytosolic 4Na+ for Golgi luminal Ca2+, K+"
;
reactome:R-HSA-2514891 "SLC24A1 exchanges 4Na+ for Ca2+, K+"
;
reactome:R-HSA-425678 "SLC24A1-4 exchange extracellular 4Na+ for cytosolic Ca2+, K+"
;
reactome:R-HSA-5626316 "SLC24A5 exchanges cytosolic 4Na+ for Golgi luminal Ca2+, K+"