Predicted to enable proton channel activity. Predicted to be involved in several processes, including cellular response to insulin stimulus; negative regulation of interferon-gamma-mediated signaling pathway; and proton transmembrane transport. Predicted to act upstream of or within detection of gravity. Predicted to be located in membrane. Predicted to be integral component of plasma membrane. Predicted to be integral component of membrane. Orthologous to human OTOP1 (otopetrin 1). [provided by Alliance of Genome Resources, Apr 2022]