Orai-2 is localized on secretory granules and regulates antigen-evoked Ca²⁺ mobilization and exocytosis in mast cells.
Ikeya M, Yamanoue K, Mochizuki Y, Konishi H, Tadokoro S, Tanaka M, Suzuki R, Hirashima N. Biochem Biophys Res Commun. 2014 Aug 15; 451(1):62-7. Epub 2014 Jul 17.