Immunogen sequence: ELAQVKVFNA GDDPSVPLHV LSRLAINSDL CCSSQDLEFT LHCLVPDFPP PVEAADFGER LQRQLVCLER VTCSDL Highest antigen sequence identity to the following orthologs: Mouse - 91%, Rat - 89%. Seems to act as a glycogen-targeting subunit for PP1. PP1 is ess