| N10-formyltetrahydrofolate | A formyl derivative of tetrahydrofolate that serves as a one-carbon source in metabolism. (05 Mar 2000) |
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| N5,N10-methenyltetrahydrofolate | A one-carbon derivative of tetrahydrofolate; used in purine biosynthesis. N5,N10-methylenetetrahydrofolate reductase, an enzyme that converts N5,N10-m ethylenetetrahydrofolate to N5,N10-methyl enyltetrahydrofolate using NADP+; a deficiency of this enzyme results in an accumulation of l-homocysteine and severe neurological disturbances. (05 Mar 2000) |
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| N5,N10-methenyltetrahydrofolic acid | An intermediate formed in the folic acid-catalyzed glycine-serine interconversion. Synonym: N5,N10-methenyltetrahydrofolic acid. (05 Mar 2000) |