Required for normal formation of otoconia in the inner ear. Inhibits P2Y purinoceptors. Modulates calcium homeostasis and influx of calcium in response to extracellular ATP (By similarity).
Zhang, Jin, Zhang, Ding, OKeeffe, Ye, Zuker: "Sour Sensing from the Tongue to the Brain." in: Cell, Vol. 179, Issue 2, pp. 392-402.e15, (2019) (PubMed).