Immunogen sequence: SALSSINPDE IMLDEEEDED SIVSAHSGMN TPSVEPSDQA SEFSASFSDV RILPGSMIVS SDDTVDSTID REGKPGGTV Highest antigen sequence identity to the following orthologs: Mouse - 69%, Rat - 71%. The RNA lariat debranching enzyme, or DBR1, specifically hydr