Sequencing of GBA1 gene (all exons) and LRRK2 (Exon 31 and 41) for all lines included in the manuscript: LRRK2 kinase activity regulates lysosomal glucocerebrosidase in neurons derived from Parkinson's disease patients. We do not observed unexpected point mutations in these genes in non-mutant cell lines. Primers for exon amplification and sequencing of GBA1 were obtained from Stone et al., 2000. PCR conditions were obtained from Lesage et al., 2011, Neumann et al., 2009, and Stone et al., 2000.