Glutamate dehydrogenase (NAD(P)+) (, glutamic dehydrogenase, glutamate dehydrogenase [NAD(P)+]) is an enzyme with systematic name L-glutamate:NAD(P)+ oxidoreductase (deaminating). This enzyme is a type of glutamate dehydrogenase that is distinguished from other types by being able to use either NAD+/NADH or NADP+/NADPH as a cofactor. It is found in the mitochondria of humans encoded by the genes GLUD1 and GLUD2. It catalyses the following chemical reaction
The enzyme converts L-glutamic acid to α-ketoglutaric acid, with loss of ammonia, using oxidised nicotinamide adenine dinucleotide as its cofactor. It can also use nicotinamide adenine dinucleotide phosphate.
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