Cytosolic GAPDH catalyzes the reversible reaction of glyceraldehyde 3-phosphate, NAD+, and phosphate to form 1,3-bisphosphoglycerate and NADH + H+. The active form of the enzyme is a homotetramer (Allison and Kaplan 1964; Dugaiczyk et al. 1983).
Dugaiczyk, A, Rothblum, KN, Dennison, OE, Schwartz, RJ, Stone, EM, Haron, JA
Kaplan, NO, Allison, WS
glyceraldehyde-3-phosphate dehydrogenase (NAD+) (phosphorylating) activity of GAPDH tetramer [cytosol]
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