In worse cases, this extreme dieting may cause dehydration, muscle atrophy, sinus problems, lowered metabolism, and increases the chance of creating consuming disorders resembling anorexia and bulimia. Methylation been found on a range of lysine residues in various histones: K4 (utilizing the one-letter amino-acid code for lysine), K9, K27, K36 and K79 in histone H3, K20 in histone H4, K59 within the globular domain of histone H4 2 and K26 of histone H1B three Several proteins chargeable for the methylation of specific residues have been characterised, and all however one in all these comprises a SET area