Definition of "methyltransferase" [methyltransferase]

• Any enzyme that catalyzes transmethylation (noun)

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• "These changes could be afforded by Cmcl, a protein recently classified as a methyltransferase based on structural evidences"
• "But more interestingly, atonal genes can be chemically reactivated: [T] reatment of [colon cancer] patients whose tumors show epigenetic silencing of ATOH1 with DNA methyltransferase inhibitors might prove a powerful avenue for therapy, because it appears to be sufficient to restore ATOH1 expression and induce cancer cell death."
• "Association of thiopurine methyltransferase enzyme level with toxicity of 6-mercaptopurine/azathiopurine in inflammatory bowel disease"