Immunogen sequence: RVVNGKVEYF LKWKGFTDAD NTWEPEENLD CPELIEAFLN SQKAGKEKDG TKRKSLSDSE SDDSKSKKKR DAADKPRGFA RGLDPERIIG ATDSSGELMF LMKWKDSDEA. At the nuclear envelope, the nuclear lamina and heterochromatin are adjacent to the inner nuclear membrane. The