Glyceraldehyde 3-phosphate dehydrogenase Tags: Protein.Glyceraldehyde 3-phosphate dehydrogenase (abbreviated as GAPDH or less commonly as G3PDH) (EC 1.2.1.12) is an enzyme of ~37kDa that catalyzes the sixth step of glycolysis and thus serves to break down glucose for energy and carbon molecules. thumbnail EntrezGene 2597 symbol Gp_dh_C, Gp_dh_N Learn more... Loading...