Heterozygous PRKN mutations are common but do not increase the risk of Parkinson's disease.

Zhu W, Huang X, Yoon E, Bandres-Ciga S, Blauwendraat C, Billingsley KJ, Cade JH, Wu BP, Williams VH, Schindler AB, Brooks J, Gibbs JR, Hernandez DG, Ehrlich D, Singleton AB, Narendra DP.