Methylation been found on a spread of lysine residues in various histones: K4 (utilizing the single-letter amino-acid code for lysine), K9, K27, K36 and K79 in histone H3, K20 in histone H4, K59 in the globular domain of histone H4 2 and K26 of histone H1B three A number of proteins responsible for solicitor uk the methylation of particular residues have been characterized, solicitor news and all however one of these comprises a SET domain