The eQTL-SNP rs7674790 (chr4:31149277, hg19, MAF = 34%) is located in the 3′-region of the PCDH7 gene and in close LD (r2 = 0.90) with the epilepsy GWAS risk-SNP rs28498976 (chr4:31151357; P = 5.44 × 10−9)46. Here, PCDH7 is linked to epilepsy.