👉 The term "epimerise" is not commonly used in the scientific or medical field. It could be a technical term related to organic chemistry, but it seems to have been removed from common usage. However, if you're referring to an enzyme that catalyzes the addition of a methyl group to a nucleic acid molecule, this would likely involve the epimerase activity, which is involved in the process of DNA replication. If you have more specific information or context about what you are asking