Immunogen sequence: PPNFEMPVSI PVSSHNSLVY SNPVSSLGNP NLLPLAHPSL QRNSMSPGVT HRPPSAGNTG GLMGGDLTSG AGTSAGNGYG NPRNSPGLLV SPGNLNKNMQ AKSPPPMNLG MNNRKPDLRV LIPPGSKNTM PSVNQRINN. MEF2C is a transcription activator which binds specifically to the MEF2 element