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Definition

Acronym for Phosphoglyceraldehyde, a chemical compound that serves as an intermediate in several central metabolic pathways in all organisms.

Supplement

This compound is an intermediate of photosynthesis and of glycolysis and gluconeogenesis.

It also is a byproduct in the biosynthesis pathway of tryptophan, an essential amino acid. It also occurs as a reactant in the biosynthesis pathway of thiamine (Vitamin B1), another substance that cannot be produced by the human body.

Synonym: glyceraldehyde 3-phosphate (G3P or GAP), triose phosphate, 3-phosphoglyceraldehyde (GADP).
See also: glycolysis.