KCNAB1

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Identifiers
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External IDsGeneCards: [1]
Orthologs
SpeciesHumanMouse
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RefSeq (protein)

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Voltage-gated potassium channel subunit beta-1 is a protein that in humans is encoded by the KCNAB1 gene.[1][2][3]

Potassium channels represent the most complex class of voltage-gated ion channels from both functional and structural standpoints. Their diverse functions include regulating neurotransmitter release, heart rate, insulin secretion, neuronal excitability, epithelial electrolyte transport, smooth muscle contraction, and cell volume. Four sequence-related potassium channel genes - shaker, shaw, shab, and shal - have been identified in Drosophila, and each has been shown to have human homolog(s). This gene encodes a member of the potassium channel, voltage-gated, shaker-related subfamily. This member includes three distinct isoforms that are encoded by three alternatively spliced transcript variants of this gene. These three isoforms are beta subunits, which form heteromultimeric complex with alpha subunits and modulate the activity of the pore-forming alpha subunits.[3]

See also

References

  1. Schultz D, Litt M, Smith L, Thayer M, McCormack K (Mar 1997). "Localization of two potassium channel beta subunit genes, KCNA1B and KCNA2B". Genomics. 31 (3): 389–91. doi:10.1006/geno.1996.0065. PMID 8838324.
  2. England SK, Uebele VN, Kodali J, Bennett PB, Tamkun MM (Jan 1996). "A novel K+ channel beta-subunit (hKv beta 1.3) is produced via alternative mRNA splicing". J Biol Chem. 270 (48): 28531–4. doi:10.1074/jbc.270.48.28531. PMID 7499366.
  3. 3.0 3.1 "Entrez Gene: KCNAB1 potassium voltage-gated channel, shaker-related subfamily, beta member 1".

Further reading

External links

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



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