The major pterin in Tetrahymena pyriformis is 6-(d-threo-1,2,3-trihydroxypropyl)-pterin (d-monapterin) and not 6-(d-threo-1,2-dihydroxypropyl)-pterin (ciliapterin)

Add time:08/29/2019    Source:sciencedirect.com

The major pterin in Tetrahymena pyriformis, strain W, earlier suggested to be l-threo-biopterin and named ciliapterin [1] is now identified as d-threo-neopterin (d-monapterin). This is the first example of a natural d-monapterin. This compound was characterized by its chromatographic behavior, its fluorescence properties and by its oxidation product with alkaline permanganate. The final identification was obtained by comparison with an authentic material using an exchange ligand chromatography method with d-phenylalanine as chiral modifier and Cu (II) as metal ion. d-monapterin is also present as the major pterin in Tetrahymena pyriformis strains GL and ST, and in Tetrahymena thermophila.

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