I had no idea that dieting was not the solution to my out-of-control binges and constant weight gains. Methylation been discovered on a range of lysine residues in various histones: K4 (using the only-letter amino-acid code for lysine), K9, K27, K36 and K79 in histone H3, K20 in histone H4, K59 within the globular area of histone H4 2 and K26 of histone H1B three Several proteins chargeable for the methylation of specific residues have been characterized, and all however considered one of these comprises a SET domain