Erythrose-4-phosphate dehydrogenase
- Erythrose-4-phosphate dehydrogenase
In enzymology, an erythrose-4-phosphate dehydrogenase (EC number|1.2.1.72) is an enzyme that catalyzes the chemical reaction
:D-erythrose 4-phosphate + NAD+ + H2O 4-phosphoerythronat + NADH + 2 H+
The 3 substrates of this enzyme are D-erythrose 4-phosphate, NAD+, and H2O, whereas its 3 products are 4-phosphoerythronat, NADH, and H+.
This enzyme belongs to the family of oxidoreductases, specifically those acting on the aldehyde or oxo group of donor with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is D-erythrose 4-phosphate:NAD+ oxidoreductase. Other names in common use include erythrose 4-phosphate dehydrogenase, E4PDH, GapB, Epd dehydrogenase, and E4P dehydrogenase. This enzyme participates in vitamin B6 metabolism.
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