These include the epilepsy genes CACNA1A, CDKL5, CHRNA4, GRIN2B, NRXN1, PNKP, POLG, SCARB2, SCN1A, and SCN2A as well as the cardiac genes ANK2, KCNE1, KCNQ1, RYR2, SCN5A, and SCN10A (26, 30, 31, 33, 34, 71, 72). The gene discussed is RYR2; the disease is epilepsy.