See also: Érythrose (homonymy)
The érythrose is a Aldose with 4 carbon atoms.
On the illustration, the representation of right-hand side corresponds to a Représentation of Cram whereas that of left is a Représentation of Fisher
It is an intermediary of the not-oxydative part of the Voie of pentoses in the form of érythrose-4-phosphate. Indeed, the Transaldolase allows the production of fructose-6-phosphate and érythrose-4-phosphate starting from the Sédoheptulose 7-phosphate and of the Glycéraldéhyde-3-phosphate. The érythrose-4-phosphate which cannot be metabolized such as it is, it reacts then with ribulose-5-phosphate to give fructose-6-phosphate and glycéraldéhyde-3-phosphate, according to a reaction chaired by the Trancétolase coupled with the TPP (Thiamin pyrophosphate connected with the Vitamine B1).
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