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Identification
HMDB Protein ID HMDBP09081
Secondary Accession Numbers
  • 14825
Name Sodium channel subunit beta-2
Synonyms Not Available
Gene Name SCN2B
Protein Type Unknown
Biological Properties
General Function Involved in voltage-gated sodium channel activity
Specific Function Crucial in the assembly, expression, and functional modulation of the heterotrimeric complex of the sodium channel. The subunit beta-2 causes an increase in the plasma membrane surface area and in its folding into microvilli. Interacts with TNR may play a crucial role in clustering and regulation of activity of sodium channels at nodes of Ranvier
Pathways Not Available
Reactions Not Available
GO Classification
Component
membrane
cell part
Cellular Location
  1. Membrane
  2. Single-pass type I membrane protein
Gene Properties
Chromosome Location Chromosome:1
Locus 11q23
SNPs SCN2B
Gene Sequence
>648 bp
ATGCAAAGAGATGCCTGGTTACTTCGCCCTGCCTTCAGCCTCAACGGGCTCAGTCTCTTT
TTCTCTTTGGTGCCACCAGGACGGAGCATGGAGGTCACAGTACCTGCCACCCTCAACGTC
CTCAATGGCTCTGACGCCCGCCAGCCCTGCACCTTCAACTCCTGCTACACAGTGAACCAC
AAACAGTTCTCCCTGAACTGGAGTTACCAGGAGTGCAACAACTGCTCTGAGGAGATGTTC
CTCCAGTTCCGCATGAAGATCATTAACCTGAAGCTGGAGCGGTTTCAAGACCGCGTGGAG
TTCTCAGGGAACCCCAGCAAGTACGATGTGTCGGTGATGCTGAGAAACGTGCAGCCGGAG
GATGAGGGGATTTACAACTGCTACATCATGAACCCCCCTGACCGCCACCGTGGCCATGGC
AAGATCCATCTGCAGGTCCTCATGGAAGAGCCCCCTGAGCGGGACTCCACGGTGGCCGTG
ATTGTGGGTGCCTCCGTCGGGGGCTTCCTGGCTGTGGTCATCTTGGTGCTGACGGCGGTC
AAGTGTGTGAGGAGAAAAAAAGAGCAGAAGCTGAGCACAGATGACCTGAAGACCGAGGAG
GAGGGCAAGACGGACGGTGAAGGCAACCCGGATGATGGCGCCAAGTAG
Protein Properties
Number of Residues 215
Molecular Weight 24325.7
Theoretical pI 6.35
Pfam Domain Function
Signals
  • 1-29
Transmembrane Regions
  • 160-180
Protein Sequence
>Sodium channel subunit beta-2
MHRDAWLPRPAFSLTGLSLFFSLVPPGRSMEVTVPATLNVLNGSDARLPCTFNSCYTVNH
KQFSLNWTYQECNNCSEEMFLQFRMKIINLKLERFQDRVEFSGNPSKYDVSVMLRNVQPE
DEGIYNCYIMNPPDRHRGHGKIHLQVLMEEPPERDSTVAVIVGASVGGFLAVVILVLMVV
KCVRRKKEQKLSTDDLKTEEEGKTDGEGNPDDGAK
GenBank ID Protein 3309111
UniProtKB/Swiss-Prot ID O60939
UniProtKB/Swiss-Prot Entry Name SCN2B_HUMAN
PDB IDs Not Available
GenBank Gene ID AF007783
GeneCard ID SCN2B
GenAtlas ID SCN2B
HGNC ID HGNC:10589
References
General References
  1. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. [PubMed:15489334 ]
  2. Clark HF, Gurney AL, Abaya E, Baker K, Baldwin D, Brush J, Chen J, Chow B, Chui C, Crowley C, Currell B, Deuel B, Dowd P, Eaton D, Foster J, Grimaldi C, Gu Q, Hass PE, Heldens S, Huang A, Kim HS, Klimowski L, Jin Y, Johnson S, Lee J, Lewis L, Liao D, Mark M, Robbie E, Sanchez C, Schoenfeld J, Seshagiri S, Simmons L, Singh J, Smith V, Stinson J, Vagts A, Vandlen R, Watanabe C, Wieand D, Woods K, Xie MH, Yansura D, Yi S, Yu G, Yuan J, Zhang M, Zhang Z, Goddard A, Wood WI, Godowski P, Gray A: The secreted protein discovery initiative (SPDI), a large-scale effort to identify novel human secreted and transmembrane proteins: a bioinformatics assessment. Genome Res. 2003 Oct;13(10):2265-70. Epub 2003 Sep 15. [PubMed:12975309 ]
  3. Eubanks J, Srinivasan J, Dinulos MB, Disteche CM, Catterall WA: Structure and chromosomal localization of the beta2 subunit of the human brain sodium channel. Neuroreport. 1997 Aug 18;8(12):2775-9. [PubMed:9295116 ]
  4. Bolino A, Seri M, Caroli F, Eubanks J, Srinivasan J, Mandich P, Schenone A, Quattrone A, Romeo G, Catterall WA, Devoto M: Exclusion of the SCN2B gene as candidate for CMT4B. Eur J Hum Genet. 1998 Nov-Dec;6(6):629-34. [PubMed:9887383 ]