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isocitrate dehydrogenase, NADP-dependent, prokaryotic type Several NAD- or NADP-dependent dehydrogenases, including 3-isopropylmalate dehydrogenase, tartrate dehydrogenase, and the multimeric forms of isocitrate dehydrogenase, share a nucleotide binding domain unrelated to that of lactate dehydrogenase and its homologs. These enzymes dehydrogenate their substates at a H-C-OH site adjacent to a H-C-COOH site; Prokaryotic NADP-dependent isocitrate dehydrogenases resemble their NAD-dependent counterparts and 3-isopropylmalate dehydrogenase (an NAD-dependent enzyme) more closely than they resemble eukaryotic NADP-dependent isocitrate dehydrogenases. [Energy metabolism, TCA cycle]
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Jiyao W et al.(2023). "The conserved domain database in 2023.",