Immunogen sequence: VTLIIKAPNQK YSDQTISCFL NWTVGKLKTH LSNVYPSKPL TKDQRLVYSG RLLPDHLQLK DILRKQDEYH MVHLVCTSR Highest antigen sequence identity to the following orthologs - mouse 99%, rat 99%. Could be involved in the unfolded protein response (UPR) pathwa