Glycéraldéhyde-3-phosphate
The glycéraldéhyde-3-phosphate or triose phosphate (in summary G3P or sometimes GAP), is a chemical compound which is implied in a central way in the metabolism of the majority of the living organisms. It is a phosphoric Ester carbon 3 of the Glycéraldéhyde, of formula C3H7O6P. Seul L 'isomer D is present in the alive cells.
The G3P is one of the essential intermediaries of the Glycolyse. It also intervenes in the not-oxydative phase of the Voie of pentoses phosphates.
In glycolysis, it is produced by the cleavage of the fructose 1,6 diphosphate, catalyzed by the fructose bisphosphate aldolase . The other produced of this reaction, dihydroxyacetone phosphates, is also converted into G3P by the triose phosphate isomérase . The G3P is then converted into 1,3 diphosphoglycérate (1,3 DPG) by the glycéraldéhyde phosphates déshydrogénase .
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