SCN3A

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Identifiers
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External IDs	GeneCards: [1]
Orthologs
Species	Human	Mouse
Entrez	n/a	n/a
Ensembl	n/a	n/a
UniProt	n/a	n/a
RefSeq (mRNA)	n/a	n/a
RefSeq (protein)	n/a	n/a
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View/Edit Human

Sodium channel, voltage-gated, type III, alpha subunit (SCN3A) is a protein that in humans is encoded by the Nav1.3 gene.

Function

Voltage-gated sodium channels are transmembrane glycoprotein complexes composed of a large alpha subunit with 24 transmembrane domains and one or more regulatory beta subunits. They are responsible for the generation and propagation of action potentials in neurons and muscle. This gene encodes one member of the sodium channel alpha subunit gene family, and is found in a cluster of five alpha subunit genes on chromosome 2. Multiple transcript variants encoding different isoforms have been found for this gene.

SCN3A is involved in folding the human cerebral cortex, a process called "gyrification".

See also

• Sodium channel

Further reading

• Catterall WA, Goldin AL, Waxman SG (December 2005). "International Union of Pharmacology. XLVII. Nomenclature and structure-function relationships of voltage-gated sodium channels". Pharmacological Reviews. 57 (4): 397–409. doi:10.1124/pr.57.4.4. PMID 16382098.
• Malo MS, Srivastava K, Andresen JM, Chen XN, Korenberg JR, Ingram VM (April 1994). "Targeted gene walking by low stringency polymerase chain reaction: assignment of a putative human brain sodium channel gene (SCN3A) to chromosome 2q24-31". Proceedings of the National Academy of Sciences of the United States of America. 91 (8): 2975–9. doi:10.1073/pnas.91.8.2975. PMC 43497. PMID 8159690.
• Bonaldo MF, Lennon G, Soares MB (September 1996). "Normalization and subtraction: two approaches to facilitate gene discovery". Genome Research. 6 (9): 791–806. doi:10.1101/gr.6.9.791. PMID 8889548.
• Lu CM, Brown GB (February 1998). "Isolation of a human-brain sodium-channel gene encoding two isoforms of the subtype III alpha-subunit". Journal of Molecular Neuroscience. 10 (1): 67–70. doi:10.1007/BF02737087. PMID 9589372.
• Nagase T, Kikuno R, Ishikawa KI, Hirosawa M, Ohara O (February 2000). "Prediction of the coding sequences of unidentified human genes. XVI. The complete sequences of 150 new cDNA clones from brain which code for large proteins in vitro". DNA Research. 7 (1): 65–73. doi:10.1093/dnares/7.1.65. PMID 10718198.
• Gotthardt M, Trommsdorff M, Nevitt MF, Shelton J, Richardson JA, Stockinger W, Nimpf J, Herz J (August 2000). "Interactions of the low density lipoprotein receptor gene family with cytosolic adaptor and scaffold proteins suggest diverse biological functions in cellular communication and signal transduction". The Journal of Biological Chemistry. 275 (33): 25616–24. doi:10.1074/jbc.M000955200. PMID 10827173.
• Chen YH, Dale TJ, Romanos MA, Whitaker WR, Xie XM, Clare JJ (December 2000). "Cloning, distribution and functional analysis of the type III sodium channel from human brain". The European Journal of Neuroscience. 12 (12): 4281–9. doi:10.1046/j.1460-9568.2000.01336.x. PMID 11122339.
• Kasai N, Fukushima K, Ueki Y, Prasad S, Nosakowski J, Sugata K, Sugata A, Nishizaki K, Meyer NC, Smith RJ (February 2001). "Genomic structures of SCN2A and SCN3A - candidate genes for deafness at the DFNA16 locus". Gene. 264 (1): 113–22. doi:10.1016/S0378-1119(00)00594-1. PMID 11245985.
• Whitaker WR, Faull RL, Dragunow M, Mee EW, Emson PC, Clare JJ (2001). "Changes in the mRNAs encoding voltage-gated sodium channel types II and III in human epileptic hippocampus". Neuroscience. 106 (2): 275–85. doi:10.1016/S0306-4522(01)00212-3. PMID 11566500.
• Weiss LA, Escayg A, Kearney JA, Trudeau M, MacDonald BT, Mori M, Reichert J, Buxbaum JD, Meisler MH (February 2003). "Sodium channels SCN1A, SCN2A and SCN3A in familial autism". Molecular Psychiatry. 8 (2): 186–94. doi:10.1038/sj.mp.4001241. PMID 12610651.
• Shah BS, Rush AM, Liu S, Tyrrell L, Black JA, Dib-Hajj SD, Waxman SG (August 2004). "Contactin associates with sodium channel Nav1.3 in native tissues and increases channel density at the cell surface". The Journal of Neuroscience. 24 (33): 7387–99. doi:10.1523/JNEUROSCI.0322-04.2004. PMID 15317864.
• Thimmapaya R, Neelands T, Niforatos W, Davis-Taber RA, Choi W, Putman CB, Kroeger PE, Packer J, Gopalakrishnan M, Faltynek CR, Surowy CS, Scott VE (July 2005). "Distribution and functional characterization of human Nav1.3 splice variants". The European Journal of Neuroscience. 22 (1): 1–9. doi:10.1111/j.1460-9568.2005.04155.x. PMID 16029190.
• Platoshyn O, Remillard CV, Fantozzi I, Sison T, Yuan JX (November 2005). "Identification of functional voltage-gated Na(+) channels in cultured human pulmonary artery smooth muscle cells". Pflügers Archiv. 451 (2): 380–387. doi:10.1007/s00424-005-1478-3. PMC 1351366. PMID 16052353.
• Kimura K, Wakamatsu A, Suzuki Y, Ota T, Nishikawa T, Yamashita R, Yamamoto J, Sekine M, Tsuritani K, Wakaguri H, Ishii S, Sugiyama T, Saito K, Isono Y, Irie R, Kushida N, Yoneyama T, Otsuka R, Kanda K, Yokoi T, Kondo H, Wagatsuma M, Murakawa K, Ishida S, Ishibashi T, Takahashi-Fujii A, Tanase T, Nagai K, Kikuchi H, Nakai K, Isogai T, Sugano S (January 2006). "Diversification of transcriptional modulation: large-scale identification and characterization of putative alternative promoters of human genes". Genome Research. 16 (1): 55–65. doi:10.1101/gr.4039406. PMC 1356129. PMID 16344560.
• Martin MS, Tang B, Ta N, Escayg A (August 2007). "Characterization of 5' untranslated regions of the voltage-gated sodium channels SCN1A, SCN2A, and SCN3A and identification of cis-conserved noncoding sequences". Genomics. 90 (2): 225–35. doi:10.1016/j.ygeno.2007.04.006. PMC 2637551. PMID 17544618.

External links

• SCN3A+protein,+human at the US National Library of Medicine Medical Subject Headings (MeSH)

This article incorporates text from the United States National Library of Medicine, which is in the public domain.