Immunogen sequence: MSGKNDVDDEE VHGSSDDSKQ SKVIPKNRIH HKLVLPSNTP NVRRTKRTRL KPLEYWRGER IDYQGRPSGG FVISGVLSPD TISSKRK Highest antigen sequence identity to the following orthologs - mouse 48%, rat 53%. Centromere protein C 1 is a centromere autoantigen and