reference.comMethylation been found on a spread of lysine residues lawyers in my area varied histones: K4 (using the single-letter amino-acid code for lysine), K9, K27, K36 and K79 in histone H3, K20 in histone H4, K59 lawyers in my area the globular domain of histone H4 2 and solicitor law firms K26 of histone H1B 3 A number of proteins responsible for the methylation of specific residues have been characterised, and all but considered one of these comprises a SET area