>1ZKK_1|Chains A, B, C, D|Histone-lysine N-methyltransferase, H4 lysine-20 specific|Homo sapiens (9606) GAMGSSRKSKAELQSEERKRIDELIESGKEEGMKIDLIDGKGRGVIATKQFSRGDFVVEYHGDLIEITDAKKREALYAQDPSTGCYMYYFQYLSKTYCVDATRETNRLGRLINHSKCGNCQTKLHDIDGVPHLILIASRDIAAGEELLYDYGDRSKASIEAHPWLKH >1ZKK_2|Chains E, F, G, H|Peptide corresponding to residues 15-24 of histone H4|null AKRHRKVLRD