Catalytic activity:Glycolate + NADP(+) = glyoxylate + NADPH.,Disease:Defects in GRHPR are the cause of hyperoxaluria primary type II (HP2) [MIM:260000]; also known as primary hyperoxaluria type II (PH2). HP2 is a disorder where the main clinical manifestation is calcium oxalate nephrolithiasis though chronic as well as terminal renal insufficiency has been described. It is characterized by an elevated urinary excretion of oxalate and L-glycerate.,Function:Enzyme with hydroxy-pyruvate reductase, glyoxylate reductase and D-glycerate dehydrogenase enzymatic activities.,similarity:Belongs to the D-isomer specific 2-hydroxyacid dehydrogenase family.,subunit:Monomer.,tissue specificity:Ubiquitous. Most abundantly expressed in the liver.,
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