one-carbon fragment
one-·car·bon frag·ment
the formyl group or the methyl group that takes part in transformylation or transmethylation reactions; by means of these reactions, a group containing a single carbon atom is added to a compound being biosynthesized, adding a methyl group (for example, thymidine formation), adding a hydroxymethyl group (as in serine biosynthesis), or closing a ring (for example, purine formation).
Farlex Partner Medical Dictionary © Farlex 2012
one-car·bon frag·ment
(wŭn-kahr'bŏn frag'mĕnt)The formyl or methyl group that takes part in transformylation or transmethylation reactions; by means of these reactions, a group containing a single carbon atom is added to a compound being biosynthesized, adding a methyl or hydroxymethyl group or closing a ring.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012