Previously, we have replicated PRKN (Guo et al., 2008), PINK1 (Guo et al., 2008; Tang et al., 2006), PARK7 (Guo et al., 2008; Tang et al., 2006), ATP13A2 (Guo et al., 2008), PLA2G6 (Shi et al., 2011), CHCHD2 (Liu et al., 2015), RAB39B (Kang et al., 2016), TMEM230 (Yan et al., 2017), GCH1 (Xu et al., 2017), and other genes (Tian et al., 2012; Yang et al., 2019) in patients with PD in China. The gene discussed is RAB39B; the disease is Parkinson disease.