Immunogen sequence: KRMAQQLQQQ MQQISAASVW GNLAGLNTLG PQYLALYLQL LQQTASSGNL NTLSSLHPMG GLNAMQLQNL AA. Myotonic dystrophy (MD) is an autosomal dominant neuromuscular disease that is associated with a (CTG)n repeat expansion in the 3'-untranslated region of