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Information on EC 1.1.1.41 - isocitrate dehydrogenase (NAD+)

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EC Tree
IUBMB Comments
Requires Mn2+ or Mg2+ for activity. Unlike EC 1.1.1.42, isocitrate dehydrogenase (NADP+), oxalosuccinate cannot 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 . The enzyme from some species can also use NADP+ but much more slowly .
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This record set is specific for:
UNIPROT: O43837
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Word Map
The expected taxonomic range for this enzyme is: Bacteria, Archaea, Eukaryota
Reaction Schemes
Synonyms
isocitrate dehydrogenase, isocitrate dehydrogenase 2, isocitric dehydrogenase, nad-dependent isocitrate dehydrogenase, idh3a, nad-idh, nad-isocitrate dehydrogenase, nad-icdh, nad+-dependent isocitrate dehydrogenase, nad-linked isocitrate dehydrogenase, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
NAD-specific isocitrate dehydrogenase
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beta-ketoglutaric-isocitric carboxylase
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IDH1
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isocitric acid dehydrogenase
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isocitric dehydrogenase
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NAD dependent isocitrate dehydrogenase
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NAD isocitrate dehydrogenase
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NAD isocitric dehydrogenase
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NAD+-specific ICDH
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NAD-linked isocitrate dehydrogenase
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NAD-specific isocitrate dehydrogenase
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REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
redox reaction
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oxidation
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reduction
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oxidative decarboxylation
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reductive carboxylation
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SYSTEMATIC NAME
IUBMB Comments
isocitrate:NAD+ oxidoreductase (decarboxylating)
Requires Mn2+ or Mg2+ for activity. Unlike EC 1.1.1.42, isocitrate dehydrogenase (NADP+), oxalosuccinate cannot 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 [7]. The enzyme from some species can also use NADP+ but much more slowly [9].
CAS REGISTRY NUMBER
COMMENTARY hide
9001-58-5
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SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
DL-isocitrate + NAD+
2-oxoglutarate + CO2 + NADH
show the reaction diagram
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?
COFACTOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
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Uniprot
Manually annotated by BRENDA team
SOURCE TISSUE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
SOURCE
UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION?
IDH3B_HUMAN
385
0
42184
Swiss-Prot
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PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
L98P
the mutation is associated with retinitis pigmentosa
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Hartong, D.T.; Dange, M.; McGee, T.L.; Berson, E.L.; Dryja, T.P.; Colman, R.F.
Novel insights into the contributions of isocitrate dehydrogenases to the Krebs cycle from patients with retinitis pigmentosa
Nat. Genet.
40
1230-1234
2008
Homo sapiens (O43837)
Manually annotated by BRENDA team