Immunogen sequence: MERSPRRTHH WQHNGELAEG GAEPKDPPPP GPHSEDLKVP PGVVRKSRRG RRRKYNPTRN SNSSRQDITL EPSPTARAA Highest antigen sequence identity to the following orthologs: Mouse - 91%, Rat - 89%. Binds to heterochromatin. Does not interact with either methy