ATP13A2 and parkinsonism due to ATP13A2 deficiency: ATP13A2 belongs to the diverse family of molecular pumps (P-type ATPases) [1, 2] and recessive mutations have been identified in patients affected by Kufor-Rakeb Syndrome (KRS), a juvenile form of familial Parkinson’s Disease (PD) [3], which is characterized by cognitive impairment, myoclonus [4], and dementia [5].