Multiple genes linked to the autosomal dominant form of PD, such as SNCA, LRRK2, and the autosomal recessive form of PD, such as PRKN, PINK1, PARK7 (DJ1), and ATP13A2 (PARK9), have been reported (1, 5, 7, 8, 9). Here, ATP13A2 is linked to Parkinson disease.