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A 2-oxo monocarboxylic acid that is pyruvic acid substituted at position 3 by a phospho group." []

A 2-oxo aldehyde consisting of pyruvaldehyde having a phosphooxy group at the 3-position." []

Phosphoenolpyruvate (PEP) is an important chemical compound in biochemistry. It has a high energy phosphate bond, and is involved in glycolysis and gluconeogenesis. In glycolysis, PEP is formed by the action of the enzyme enolase on 2-phosphoglycerate. Metabolism of PEP to pyruvate by pyruvate kinase (PK) generates 1 molecule of adenosine triphosphate (ATP) via substrate-level phosphorylation. ATP is one of the major currencies of chemical energy within cells. In gluconeogenesis, PEP is formed from the decarboxylation of oxaloacetate and hydrolysis of 1 guanosine triphosphate molecule. This reaction is catalyzed by the enzyme phosphoenolpyruvate carboxykinase (PEPCK). This reaction is a rate-limiting step in gluconeogenesis. (wikipedia).

L-glyceraldehyde 3-phosphate, also known as 3 phosphoglyceraldehyde, is a member of the class of compounds known as glyceraldehyde-3-phosphates. Glyceraldehyde-3-phosphates are compounds containing a glyceraldehyde substituted at position O3 by a phosphate group. L-glyceraldehyde 3-phosphate is soluble (in water) and a moderately acidic compound (based on its pKa). L-glyceraldehyde 3-phosphate can be found in a number of food items such as fruits, cowpea, common sage, and brussel sprouts, which makes L-glyceraldehyde 3-phosphate a potential biomarker for the consumption of these food products.

The dianion obtained by removal of two acidic protons from 2-phospho-L-lactic acid." []

Dianion of D-glyceraldehyde 3-phosphate arising from deprotonation of both OH groups of the phosphate." []

A dianionic form of glycerone phosphate arising from deprotonation of the phosphate OH groups; major species at pH 7.3." []

An organophosphate oxoanion taht is the dianion of glyceraldehyde 3-phosphate arising from deprotonation of the phosphate OH groups; major species at pH 7.3." []