Immunogen sequence: QDEVRGDGEE GERKPLEAAL PSEDLTDLKE LTEESDLLSD IFGLDLKREG GQYKLIPHNP NAGLSDLMSN PVPMPEVQEK FQEQKAKEEE KEEKEETKSE PE. Dihydropyridine receptor (DHPR) is a surface membrane protein critical for the excitation-contraction coupling of striat