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active methyl

 

Definition: a methyl group attached to a quaternary ammonium ion or a tertiary sulfonium ion that can take part in transmethylation reactions, methyl groups in choline and in S-adenosyl-l-methionine, which are thus methyl donors.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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