Using the GWAS Catalog Finding Bipolar Related SNPs Today we will be using the GWAS Catalog to identify SNPs (Single Nucleotide Polymorphisms) that are associated with Bipolar Disorder. Sure, there is an interactive search on the page, but let’s do this locally. Navigate to the downloadable files by first clicking the ‘Download’ link on the main page, and then ‘Files’ link, you should be here: https://www.ebi.ac.uk/gwas/docs/file-downloads The main file to get is All associations v1.