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Isocitrate dehydrogenase 3 (NAD+) gamma
Identifiers
Symbols IDH3G; H-IDHG
External IDs OMIM300089 MGI1099463 HomoloGene55803 GeneCards: IDH3G Gene
RNA expression pattern
PBB GE IDH3G 202471 s at tn.png
PBB GE IDH3G 214333 x at tn.png
More reference expression data
Orthologs
Species Human Mouse
Entrez 3421 15929
Ensembl ENSG00000067829 ENSMUSG00000002010
UniProt P51553 Q3TGZ3
RefSeq (mRNA) NM_004135 NM_008323
RefSeq (protein) NP_004126 NP_032349
Location (UCSC) Chr X:
152.7 - 152.71 Mb
Chr X:
70.03 - 70.04 Mb
PubMed search [1] [2]

Isocitrate dehydrogenase [NAD] subunit gamma, mitochondrial is an enzyme that in humans is encoded by the IDH3G gene.[1][2]

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 gamma subunit of one isozyme of NAD(+)-dependent isocitrate dehydrogenase. This gene is a candidate gene for periventricular heterotopia. Several alternatively spliced transcript variants of this gene have been described, but only some of their full length natures have been determined.[2]

References

  1. ^ Brenner V, Nyakatura G, Rosenthal A, Platzer M (Nov 1997). "Genomic organization of two novel genes on human Xq28: compact head to head arrangement of IDH gamma and TRAP delta is conserved in rat and mouse". Genomics 44 (1): 8-14. doi:10.1006/geno.1997.4822. PMID 9286695.  
  2. ^ a b "Entrez Gene: IDH3G isocitrate dehydrogenase 3 (NAD+) gamma". http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=3421.  

Further reading

  • Sandoval N, Bauer D, Brenner V, et al. (1996). "The genomic organization of a human creatine transporter (CRTR) gene located in Xq28.". Genomics 35 (2): 383–5. doi:10.1006/geno.1996.0373. PMID 8661155.  
  • Kim YO, Koh HJ, Kim SH, et al. (2000). "Identification and functional characterization of a novel, tissue-specific NAD(+)-dependent isocitrate dehydrogenase beta subunit isoform.". J. Biol. Chem. 274 (52): 36866–75. doi:10.1074/jbc.274.52.36866. PMID 10601238.  
  • Weiss C, Zeng Y, Huang J, et al. (2000). "Bovine NAD+-dependent isocitrate dehydrogenase: alternative splicing and tissue-dependent expression of subunit 1.". Biochemistry 39 (7): 1807–16. doi:10.1021/bi991691i. PMID 10677231.  
  • Hartley JL, Temple GF, Brasch MA (2001). "DNA cloning using in vitro site-specific recombination.". Genome Res. 10 (11): 1788–95. doi:10.1101/gr.143000. PMID 11076863.  
  • Simpson JC, Wellenreuther R, Poustka A, et al. (2001). "Systematic subcellular localization of novel proteins identified by large-scale cDNA sequencing.". EMBO Rep. 1 (3): 287–92. doi:10.1093/embo-reports/kvd058. PMID 11256614.  
  • Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences.". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMID 12477932.  
  • Gerhard DS, Wagner L, Feingold EA, et al. (2004). "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC).". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMID 15489334.  
  • Wiemann S, Arlt D, Huber W, et al. (2004). "From ORFeome to biology: a functional genomics pipeline.". Genome Res. 14 (10B): 2136–44. doi:10.1101/gr.2576704. PMID 15489336.  
  • Rual JF, Venkatesan K, Hao T, et al. (2005). "Towards a proteome-scale map of the human protein-protein interaction network.". Nature 437 (7062): 1173–8. doi:10.1038/nature04209. PMID 16189514.  
  • Mehrle A, Rosenfelder H, Schupp I, et al. (2006). "The LIFEdb database in 2006.". Nucleic Acids Res. 34 (Database issue): D415–8. doi:10.1093/nar/gkj139. PMID 16381901.  
  • Soundar S, O'hagan M, Fomulu KS, Colman RF (2006). "Identification of Mn2+-binding aspartates from alpha, beta, and gamma subunits of human NAD-dependent isocitrate dehydrogenase.". J. Biol. Chem. 281 (30): 21073–81. doi:10.1074/jbc.M602956200. PMID 16737955.  
  • Bzymek KP, Colman RF (2007). "Role of alpha-Asp181, beta-Asp192, and gamma-Asp190 in the distinctive subunits of human NAD-specific isocitrate dehydrogenase.". Biochemistry 46 (18): 5391–7. doi:10.1021/bi700061t. PMID 17432878.  
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