1.1.1.42: isocitrate dehydrogenase (NADP+)

This is an abbreviated version, for detailed information about isocitrate dehydrogenase (NADP+), go to the full flat file.

Reaction

isocitrate
+
NADP+
=
2-oxoglutarate
+
CO2
+
NADPH
+
H+

Synonyms

AfIDH, CgIDH, cICDH, CtIDP1, CtIDP2, cytosolic isocitrate dehydrogenase 1, cytosolic NADP(+)-dependent isocitrate dehydrogenase, cytosolic NADP+-dependent isocitrate dehydrogenase, cytosolic NADP-dependent isocitrate dehydrogenase, cytosolic NADPH-dependent isocitrate dehydrogenase, DpIDH, EcIDH, ICD, ICD1, ICD2, ICDH, ICDH-1, IDH, IDH1, IDH2, IDH3, IDHP, IDP, IDP1, IDP2, IDP3, IDPA, IDPc, IDPm, isocitrate dehydrogenase, isocitrate dehydrogenase (NADP), isocitrate dehydrogenase (NADP-dependent), isocitrate dehydrogenase (nicotinamide adenine dinucleotide phosphate), isocitrate dehydrogenase 1, isocitrate dehydrogenase 2, isocitrate dehydrogenase-1, isocytrate deyhdrogenase, mICDH, mitochondrial NADP+-dependent isocitrate dehydrogenase, NAD+-dependent isocitrate dehydrogenase, NADP isocitric dehydrogenase, NADP+-dependent Ds-threo-isocitrate dehydrogenase, NADP+-dependent Ds-threo-isocitrate:NADP+ oxidoreductase, NADP+-dependent IDH, NADP+-dependent isocitrate dehydrogenase, NADP+-ICDH, NADP+-IDH, NADP+-isocitrate dehydrogenase, NADP+-linked isocitrate dehydrogenase, NADP+-specific ICDH, NADP+-specific isocitrate dehydrogenase, NADP-dependent IDH, NADP-dependent isocitrate dehydrogenase, NADP-dependent isocitric dehydrogenase, NADP-ICDH, NADP-IDH, NADP-IDH Idp1p, NADP-isocitrate dehydrogenase, NADP-linked isocitrate dehydrogenase, NADP-specific isocitrate dehydrogenase, NADPH-dependent isocitrate dehydrogenase, oxalosuccinate decarboxylase, oxalsuccinic decarboxylase, perICDH, PS-NADP-IDH, TaIDH, TM1148

ECTree

     1 Oxidoreductases
         1.1 Acting on the CH-OH group of donors
             1.1.1 With NAD+ or NADP+ as acceptor
                1.1.1.42 isocitrate dehydrogenase (NADP+)

Systematic Name

Systematic Name on EC 1.1.1.42 - isocitrate dehydrogenase (NADP+)

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SYSTEMATIC NAME
IUBMB Comments
isocitrate:NADP+ oxidoreductase (decarboxylating)
Requires Mn2+ or Mg2+ for activity. Unlike EC 1.1.1.41, isocitrate dehydrogenase (NAD+), oxalosuccinate can be used as a substrate. In eukaryotes, isocitrate dehydrogenase exists in two forms: an NAD+-linked enzyme found only in mitochondria and displaying allosteric properties, and a non-allosteric, NADP+-linked enzyme that is found in both mitochondria and cytoplasm [6]. The enzyme from some species can also use NAD+ but much more slowly [6,7].