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Merck

IDH3B

isocitrate dehydrogenase 3 (NAD+) beta

Synonyms:
H-IDHB, RP46
Species:
UniProtKB ID:
Gene ID:
  • Human(3420) Summary: Isocitrate dehydrogenases catalyze the oxidative decarboxylation of isocitrate to 2-oxoglutarate. These enzymes belong to two distinct subclasses, one of which utilizes NAD(+) as the electron acceptor and the other NADP(+). Five isocitrate dehydrogenases have been reported: three NAD(+)-dependent isocitrate dehydrogenases, which localize to the mitochondrial matrix, and two NADP(+)-dependent isocitrate dehydrogenases, one of which is mitochondrial and the other predominantly cytosolic. NAD(+)-dependent isocitrate dehydrogenases catalyze the allosterically regulated rate-limiting step of the tricarboxylic acid cycle. Each isozyme is a heterotetramer that is composed of two alpha subunits, one beta subunit, and one gamma subunit. The protein encoded by this gene is the beta subunit of one isozyme of NAD(+)-dependent isocitrate dehydrogenase. Three alternatively spliced transcript variants encoding different isoforms have been described for this gene. [provided by RefSeq, Jul 2008]
  • Mouse(170718) isocitrate dehydrogenase 3 (NAD+) beta
  • Rat(94173) isocitrate dehydrogenase 3 (NAD+) beta
  • domestic guinea pig(100717400) isocitrate dehydrogenase 3 (NAD+) beta
  • Zebrafish(415247) isocitrate dehydrogenase 3 (NAD+) beta
  • dog(477177) isocitrate dehydrogenase 3 (NAD+) beta
  • cow(613338) isocitrate dehydrogenase 3 (NAD+) beta
  • domestic cat(101099035) isocitrate dehydrogenase 3 (NAD+) beta
  • chicken(426573) isocitrate dehydrogenase 3 (NAD+) beta
  • naked mole-rat(101709094) isocitrate dehydrogenase 3 (NAD+) beta
  • sheep(101104080) isocitrate dehydrogenase 3 (NAD+) beta

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Kits

Product Number
Description
Species
IDH Activity Assay Kit, sufficient for 100 colorimetric tests,
Species
mouse, rat, human