Immunogen sequence: MEVLESGEQGV LQWDRKLSEL SEPGDGEALM YHTHFSELLD EFSQNVLGQL LNDPFLSEKS VSMEVEPSPT SPAPLIQAEH SYSLCEEPRA QSPFTHITTS DSFND Highest antigen sequence identity to the following orthologs - mouse 92%, rat 92%. CREB3L2 is a member of the old ast