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idh3b

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Official Full Name
isocitrate dehydrogenase 3 (NAD+) beta
Background
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.
Synonyms
IDH3B; isocitrate dehydrogenase 3 (NAD+) beta; isocitrate dehydrogenase [NAD] subunit beta, mitochondrial; mitochondrial; FLJ11043; H-IDHB; IDH3B_HUMAN; Isocitrate dehydrogenase [NAD] subunit beta; isocitrate dehydrogenase 3, beta subunit; Isocitric dehydrogenase; Isocitric dehydrogenase subunit beta; MGC903; NAD(+)-specific ICDH; NAD(+)-specific ICDH subunit beta; NAD+-specific isocitrate dehydrogenase b subunit; NAD+-specific isocitrate dehydrogenase beta; OTTHUMP00000030023; OTTHUMP00000030024; RP46; NAD+-specific ICDH; isocitrate dehydrogenase, NAD(+)-specific, mitochondrial, beta subunit; zgc:86647