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The precise mechanism of action of this tetrapeptide remains unverified, prompting a diversification of the research on both the methodologies employed and the criteria examined

Li P, Xia C, Kong X, Zhang J (2024) Enhancing nicotinamide N-methyltransferase bisubstrate inhibitor activity through 7-deazaadenosine and linker modifications

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This key enzyme is active in the folate cycle, which, with help from vitamin B 12 , provides methyl groups for the re-methylation of homocysteine to produce methionine