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GAD1
Available structures PDB Ortholog search: PDBe RCSB List of PDB id codes 2OKJ, 3VP6
Identifiers
Aliases	GAD1, CPSQ1, GAD, SCP, glutamate decarboxylase 1, DEE89
External IDs	OMIM: 605363; MGI: 95632; HomoloGene: 635; GeneCards: GAD1; OMA:GAD1 - orthologs
Gene location (Human) Chr. Chromosome 2 (human) Band 2q31.1 Start 170,813,213 bp End 170,861,151 bp
Gene location (Mouse) Chr. Chromosome 2 (mouse) Band 2 C2|2 41.63 cM Start 70,383,416 bp End 70,432,358 bp
RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in endothelial cell middle temporal gyrus Brodmann area 23 Brodmann area 10 external globus pallidus lateral nuclear group of thalamus primary visual cortex frontal pole orbitofrontal cortex paraflocculus of cerebellum Top expressed in lateral septal nucleus pallidum of neuraxis globus pallidus dorsal tegmental nucleus lobe of cerebellum cerebellar vermis lateral geniculate nucleus olfactory tubercle nucleus accumbens dorsomedial hypothalamic nucleus More reference expression data BioGPS More reference expression data
Gene ontology Molecular function protein binding catalytic activity lyase activity protein heterodimerization activity pyridoxal phosphate binding carboxy-lyase activity glutamate binding glutamate decarboxylase activity protein N-terminus binding Cellular component vesicle membrane plasma membrane clathrin-sculpted gamma-aminobutyric acid transport vesicle membrane intracellular anatomical structure presynaptic active zone cytoplasm cell cortex axon axon terminus neuron projection terminus synapse inhibitory synapse Biological process gamma-aminobutyric acid biosynthetic process glutamate catabolic process carboxylic acid metabolic process neurotransmitter biosynthetic process protein-pyridoxal-5-phosphate linkage glutamate decarboxylation to succinate chemical synaptic transmission social behavior locomotory exploration behavior neurotransmitter secretion Sources:Amigo / QuickGO
Orthologs Species Human Mouse Entrez 2571 14415 Ensembl ENSG00000128683 ENSMUSG00000070880 UniProt Q99259 P48318 RefSeq (mRNA) NM_000817 NM_013445 NM_008077 NM_001312900 RefSeq (protein) NP_000808 NP_038473 NP_001299829 NP_032103 Location (UCSC) Chr 2: 170.81 – 170.86 Mb Chr 2: 70.38 – 70.43 Mb PubMed search
Wikidata
View/Edit Human View/Edit Mouse

Glutamate decarboxylase 1 (brain, 67kDa) (GAD67), also known as GAD1, is a human gene.

This gene encodes one of several forms of glutamic acid decarboxylase, identified as a major autoantigen in insulin-dependent diabetes. The enzyme encoded is responsible for catalyzing the production of gamma-aminobutyric acid from L-glutamic acid. A pathogenic role for this enzyme has been identified in the human pancreas since it has been identified as an autoantigen and an autoreactive T cell target in insulin-dependent diabetes. This gene may also play a role in the stiff man syndrome. Deficiency in this enzyme has been shown to lead to pyridoxine dependency with seizures. Alternative splicing of this gene results in two products, the predominant 67-kD form and a less-frequent 25-kD form.

Interactions

GAD1 has been shown to interact with GAD2.

See also

• Glutamate decarboxylase

References

1. ^ GRCh38: Ensembl release 89: ENSG00000128683 – Ensembl, May 2017
2. ^ GRCm38: Ensembl release 89: ENSMUSG00000070880 – Ensembl, May 2017
3. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
4. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
5. ^ "Entrez Gene: GAD1 glutamate decarboxylase 1 (brain, 67kDa)".
6. Dirkx R, Thomas A, Li L, Lernmark A, Sherwin RS, De Camilli P, Solimena M (February 1995). "Targeting of the 67-kDa isoform of glutamic acid decarboxylase to intracellular organelles is mediated by its interaction with the NH2-terminal region of the 65-kDa isoform of glutamic acid decarboxylase". J. Biol. Chem. 270 (5): 2241–6. doi:10.1074/jbc.270.5.2241. PMID 7836456.

Further reading

• Kelly CD, Edwards Y, Johnstone AP, Harfst E, Nógrádi A, Nussey SS, Povey S, Carter ND (1992). "Nucleotide sequence and chromosomal assignment of a cDNA encoding the large isoform of human glutamate decarboxylase". Ann. Hum. Genet. 56 (Pt 3): 255–65. doi:10.1111/j.1469-1809.1992.tb01150.x. PMID 1339255. S2CID 35482098.
• Bu DF, Erlander MG, Hitz BC, Tillakaratne NJ, Kaufman DL, Wagner-McPherson CB, Evans GA, Tobin AJ (1992). "Two human glutamate decarboxylases, 65-kDa GAD and 67-kDa GAD, are each encoded by a single gene". Proc. Natl. Acad. Sci. U.S.A. 89 (6): 2115–9. Bibcode:1992PNAS...89.2115B. doi:10.1073/pnas.89.6.2115. PMC 48607. PMID 1549570.
• Giorda R, Peakman M, Tan KC, Vergani D, Trucco M (1991). "Glutamic acid decarboxylase expression in islets and brain". Lancet. 338 (8780): 1469–70. doi:10.1016/0140-6736(91)92781-V. PMID 1683463. S2CID 32944832.
• Persson H, Pelto-Huikko M, Metsis M, Söder O, Brene S, Skog S, Hökfelt T, Ritzén EM (1990). "Expression of the neurotransmitter-synthesizing enzyme glutamic acid decarboxylase in male germ cells". Mol. Cell. Biol. 10 (9): 4701–11. doi:10.1128/mcb.10.9.4701. PMC 361065. PMID 1697032.
• Cram DS, Barnett LD, Joseph JL, Harrison LC (1991). "Cloning and partial nucleotide sequence of human glutamic acid decarboxylase cDNA from brain and pancreatic islets". Biochem. Biophys. Res. Commun. 176 (3): 1239–44. doi:10.1016/0006-291X(91)90418-7. PMID 2039509.
• Dirkx R, Thomas A, Li L, Lernmark A, Sherwin RS, De Camilli P, Solimena M (1995). "Targeting of the 67-kDa isoform of glutamic acid decarboxylase to intracellular organelles is mediated by its interaction with the NH2-terminal region of the 65-kDa isoform of glutamic acid decarboxylase". J. Biol. Chem. 270 (5): 2241–6. doi:10.1074/jbc.270.5.2241. PMID 7836456.
• Bu DF, Tobin AJ (1994). "The exon-intron organization of the genes (GAD1 and GAD2) encoding two human glutamate decarboxylases (GAD67 and GAD65) suggests that they derive from a common ancestral GAD". Genomics. 21 (1): 222–8. doi:10.1006/geno.1994.1246. PMID 8088791.
• Yamashita K, Cram DS, Harrison LC (1993). "Molecular cloning of full-length glutamic acid decarboxylase 67 from human pancreas and islets". Biochem. Biophys. Res. Commun. 192 (3): 1347–52. doi:10.1006/bbrc.1993.1564. PMID 8507202.
• Kawasaki E, Moriuchi R, Watanabe M, Saitoh K, Brunicardi FC, Watt PC, Yamaguchi T, Mullen Y, Akazawa S, Miyamoto T (1993). "Cloning and expression of large isoform of glutamic acid decarboxylase from human pancreatic islet". Biochem. Biophys. Res. Commun. 192 (3): 1353–9. doi:10.1006/bbrc.1993.1565. PMID 8507203.
• Asada H, Kawamura Y, Maruyama K, Kume H, Ding R, Ji FY, Kanbara N, Kuzume H, Sanbo M, Yagi T, Obata K (1996). "Mice lacking the 65 kDa isoform of glutamic acid decarboxylase (GAD65) maintain normal levels of GAD67 and GABA in their brains but are susceptible to seizures". Biochem. Biophys. Res. Commun. 229 (3): 891–5. doi:10.1006/bbrc.1996.1898. PMID 8954991.
• McHale DP, Mitchell S, Bundey S, Moynihan L, Campbell DA, Woods CG, Lench NJ, Mueller RF, Markham AF (1999). "A gene for autosomal recessive symmetrical spastic cerebral palsy maps to chromosome 2q24-25". Am. J. Hum. Genet. 64 (2): 526–32. doi:10.1086/302237. PMC 1377761. PMID 9973289.
• Chessler SD, Lernmark A (2000). "Alternative splicing of GAD67 results in the synthesis of a third form of glutamic-acid decarboxylase in human islets and other non-neural tissues". J. Biol. Chem. 275 (7): 5188–92. doi:10.1074/jbc.275.7.5188. PMID 10671565.
• Luo J, Kaplitt MG, Fitzsimons HL, Zuzga DS, Liu Y, Oshinsky ML, During MJ (2002). "Subthalamic GAD gene therapy in a Parkinson's disease rat model". Science. 298 (5592): 425–9. doi:10.1126/science.1074549. PMID 12376704. S2CID 11538987.
• Chessler SD, Hampe CS, Ortqvist E, Simonson WT, Bekris L (2002). "Immune reactivity to GAD25 in type 1 diabetes mellitus". Autoimmunity. 35 (5): 335–41. doi:10.1080/0891693021000005402. PMID 12515288. S2CID 29584474.
• Demakova EV, Korobov VP, Lemkina LM (2003). "". Klin. Lab. Diagn. (4): 15–7. PMID 12774663.
• Flace P, Benagiano V, Lorusso L, Girolamo F, Rizzi A, Virgintino D, Roncali L, Ambrosi G (2004). "Glutamic acid decarboxylase immunoreactive large neuron types in the granular layer of the human cerebellar cortex". Anat. Embryol. 208 (1): 55–64. doi:10.1007/s00429-003-0374-x. PMID 15014985. S2CID 12464664.
• De Luca V, Muglia P, Masellis M, Jane Dalton E, Wong GW, Kennedy JL (2004). "Polymorphisms in glutamate decarboxylase genes: analysis in schizophrenia". Psychiatr. Genet. 14 (1): 39–42. doi:10.1097/00041444-200403000-00006. PMID 15091314. S2CID 40410463.
• Kanno K, Suzuki Y, Yamada A, Aoki Y, Kure S, Matsubara Y (2004). "Association between nonsyndromic cleft lip with or without cleft palate and the glutamic acid decarboxylase 67 gene in the Japanese population". Am. J. Med. Genet. A. 127A (1): 11–6. doi:10.1002/ajmg.a.20649. PMID 15103710. S2CID 30016360.

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