Predicted to enable potassium channel activity. Predicted to be involved in regulation of release of sequestered calcium ion into cytosol. Predicted to act upstream of or within several processes, including cellular response to caffeine; monoatomic cation transmembrane transport; and regulation of c
ardiac muscle contraction by regulation of the release of sequestered calcium ion. Located in extracellular exosome. [provided by Alliance of Genome Resources, Jul 2025]