>6AT0_1|Chain A|Heterochromatin protein 1|Drosophila melanogaster (7227) MKKHHHHHHAEEEEEEFAVEKIIDRRVRKGMVEYYLKWKGYPETENTWEPENNLDCQDLIQQYEASRKD >6AT0_2|Chain B[auth P]|trimethyl lysine histone H3 tail peptide|Drosophila melanogaster (7227) QTARKS