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4-Phospho-D-erythronate is an intermediate in the synthesis of pyridoxal 5''-phosphate in some bacteria and an inhibitor of ribose 5-phosphate isomerase. Phosphorylated aldonic acids are strong inhibitors of 6-phosphogluconate dehydrogenase, and 4-phospho-D-erythronate (4PE) and 4-phospho-D-erythronohydroxamate are two of the strongest inhibitors of the Trypanosoma brucei enzyme.

4-Phospho-D-erythronate is an intermediate in the synthesis of pyridoxal 5'-phosphate in some bacteria and an inhibitor of ribose 5-phosphate isomerase. Phosphorylated aldonic acids are strong inhibitors of 6-phosphogluconate dehydrogenase, and 4-phospho-D-erythronate (4PE) and 4-phospho-D-erythronohydroxamate are two of the strongest inhibitors of the Trypanosoma brucei enzyme.

ChEBI: 4-phospho-D-erythronic acid is the D-enantiomer of 4-phosphoerythronic acid. It has a role as an Escherichia coli metabolite and a mouse metabolite. It is functionally related to a D-erythronic acid. It is a conjugate acid of a 4-O-phosphonato-D-erythronate(3-). It is an enantiomer of a 4-phospho-L-erythronic acid.