ATXN3 and amyotrophic lateral sclerosis: As an example, we focused on ATXN3 in ALS, as ATNX3 3′aQTLs showed the highest colocalization probability with the ALS GWAS signal (PP4 = 0.969, Supplementary Table 2), but not with ATNX3 eQTLs (Fig. 5e, f).