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From Wikipedia, the free encyclopedia

KCNQ2
Identifiers
AliasesKCNQ2, BFNC, BFNS1, EBN, EBN1, EIEE7, ENB1, HNSPC, KCNA11, KV7.2, KVEBN1, potassium voltage-gated channel subfamily Q member 2, DEE7
External IDsOMIM: 602235 MGI: 1309503 HomoloGene: 26174 GeneCards: KCNQ2
Orthologs
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)
RefSeq (protein)
Location (UCSC)Chr 20: 63.4 – 63.47 MbChr 2: 180.72 – 180.78 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Kv7.2 (KvLQT2) is a voltage- and lipid-gated potassium channel protein coded for by the gene KCNQ2.

It is associated with benign familial neonatal epilepsy.

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  • 2012 interview with Dr. Edward Cooper about KCNQ2

Transcription

Function

The M channel is a slowly activating and deactivating potassium channel that plays a critical role in the regulation of neuronal excitability. The M channel is formed by the association of the protein encoded by this gene and a related protein encoded by the KCNQ3 gene, both integral membrane proteins. M channel currents are inhibited by M1 muscarinic acetylcholine receptors and activated by retigabine, a novel anti-convulsant drug. Defects in this gene are a cause of benign familial neonatal convulsions type 1 (BFNC), also known as epilepsy, benign neonatal type 1 (EBN1). At least five transcript variants encoding five different isoforms have been found for this gene.[5]

Ligands

ICA-069673
Compound #40 (Amato 2011)

References

  1. ^ a b c ENSG00000281151 GRCh38: Ensembl release 89: ENSG00000075043, ENSG00000281151 - Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000016346 - 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: KCNQ2 potassium voltage-gated channel, KQT-like subfamily, member 2".
  6. ^ Amato G (2011). "N -Pyridyl and Pyrimidine Benzamides as KCNQ2/Q3 Potassium Channel Openers for the Treatment of Epilepsy". ACS Medicinal Chemistry Letters. 2 (6): 481–484. doi:10.1021/ml200053x. PMC 4018159. PMID 24900334.
  7. ^ Cheung YY, Yu H, Xu K, Zou B, Wu M, McManus OB, Li M, Lindsley CW, Hopkins CR (August 2012). "Discovery of a series of 2-phenyl-N-(2-(pyrrolidin-1-yl)phenyl)acetamides as novel molecular switches that modulate modes of K(v)7.2 (KCNQ2) channel pharmacology: identification of (S)-2-phenyl-N-(2-(pyrrolidin-1-yl)phenyl)butanamide (ML252) as a potent, brain penetrant K(v)7.2 channel inhibitor". Journal of Medicinal Chemistry. 55 (15): 6975–9. doi:10.1021/jm300700v. PMC 3530927. PMID 22793372.

Further reading

External links

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


This page was last edited on 30 June 2023, at 17:55
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