Immunogen sequence: THQLYSTSHD RSVKVWNVAE NSYVETLFGH QDAVAALDAL SRECCVTAGG RDGTVRVWKI PEESQLVFYG HQGSIDCIHL INEEHMVSGA DDGSVALWGL SKKRPL Highest antigen sequence identity to the following orthologs: Mouse - 99%, Rat - 99%. The Ku autoantigen is a heterod