Immunogen sequence: EKRERPPDHQ HSAQVKRPSV SKEGRKTSIK SHMSGSPGPG GSNTAPSTPV IGGSDKPGME EKAQPPEAGP QGLHDLGRSS SSLLASPGHI SVKEPTPSIA SDISLPIATQ ELRQRLRQLE NGTTLGQSPL G. Tethers the endoplasmic reticulum to the cell membrane and promotes the formation of app