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CATH Classification

Domain Context

CATH Clusters

Superfamily Isopropylmalate Dehydrogenase
Functional Family Isocitrate dehydrogenase [NADP]

Enzyme Information

1.1.1.42
Isocitrate dehydrogenase (NADP(+)).
based on mapping to UniProt P9WKL1
Isocitrate + NADP(+) = 2-oxoglutarate + CO(2) + NADPH.
-!- Unlike EC 1.1.1.41, 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. -!- The enzyme from some species can also use NAD(+) but much more slowly.

UniProtKB Entries (1)

P9WKL1
IDH_MYCTU
Mycobacterium tuberculosis H37Rv
Isocitrate dehydrogenase [NADP]

PDB Structure

PDB 4HCX
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Structural, Kinetic and Chemical Mechanism of Isocitrate Dehydrogenase-1 from Mycobacterium tuberculosis.
Quartararo, C.E., Hazra, S., Hadi, T., Blanchard, J.S.
Biochemistry
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