A genomic region containing sequence 5 kb upstream and 1 kb downstream of GABRA2 was retrieved from NCBI Human Build 35.1. Haplotype tagging SNPs were identified using a previously described design pipeline (43). Ten GABRA2 SNPs were genotyped using the Illumina GoldenGate platform (43). Rs numbers for the 10 SNPs, the bases for alleles 1 – 2, together with the allele 2 frequencies, are shown in Figure 1. For each SNP, alleles 1 and 2 are located on opposite DNA strands.
