Mitochondrial glycerophosphate dehydrogenase (EC 1. 1. 99. 5), or GPD2, is located on the outer surface of the inner mitochondrial membrane and catalyzes the unidirectional conversion of glycerol-3-phosphate (G-3-P) to dihydroxyacetone phosphate (DHAP) with concomitant reduction of the enzyme-bound FAD. Together with a cytosolic NAD-linked GPD (GPD1; MIM 138420), GPD2 forms the glycerol phosphate shuttle, which uses the interconversion of G-3-P and DHAP to transfer reducing equivalents into mitochondria, resulting in the reoxidation of NADH formed during glycolysis.
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Protein Aliases: FAD-linked glycerol-3-phosphate dehydrogenase; glycerol phosphate dehydrogenase 1, mitochondrial; Glycerol-3-phosophate dehydrogenase 2 (mitochondrial); glycerol-3-phosphate dehydrogenase 2 (mitochondrial); glycerol-3-phosphate dehydrogenase 2, mitochondrial; Glycerol-3-phosphate dehydrogenase, mitochondrial; GPD-M; GPDH-M; mGDH; mitochondrial glycerol-3-phosphate dehydrogenase; mitochondrial glycerophosphate dehydrogenase; mitohondrial glycerophosphate dehydrogenase gene; mtGPD; mtGPDH gene, promoter region and alternative transcripts; Protein TISP38; testicular tissue protein Li 76
Gene Aliases: AA408484; AI448216; AU021455; AW494132; GDH2; Gdm1; Gpd-m; GPD2; GPDH; Gpdh-m; GPDM; mGPDH; mtGPDH; TISP38
Molecular Function: dehydrogenase