The function of ENSG00000188467 (SLC24A5, solute carrier family 24 member 5) is as follows. Calcium, potassium:sodium antiporter that transports 1 Ca(2+) and 1 K(+) to the melanosome in exchange for 4 cytoplasmic Na(+) (PubMed:18166528). Involved in pigmentation, possibly by participating in ion transport in melanosomes (PubMed:16357253, PubMed:18166528). Predominant sodium-calcium exchanger in melanocytes (PubMed:16357253, PubMed:18166528). {ECO:0000269|PubMed:16357253, ECO:0000269|PubMed:18166528}.