Chemicals and Drugs

KCNQ3 Potassium Channel

A very slow opening and closing voltage-gated potassium channel that is expressed in NEURONS and is closely related to KCNQ2 POTASSIUM CHANNEL. It is commonly mutated in BENIGN FAMILIAL NEONATAL CONVULSIONS.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A very slow opening and closing voltage-gated potassium channel that is expressed in NEURONS and is closely related to KCNQ2 POTASSIUM CHANNEL. It is commonly mutated in BENIGN FAMILIAL NEONATAL CONVULSIONS.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

6 entry terms
  • KCNQ3 Protein
  • Kv7.3 Potassium Channel
  • Voltage-Gated K+ Channel KCNQ3
  • Potassium Channel, KCNQ3
  • Potassium Channel, Kv7.3
  • Voltage Gated K+ Channel KCNQ3

MeSH Record

Aspects Covered

30 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analysis, antagonists & inhibitors, biosynthesis, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, deficiency, drug effects, economics, genetics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, ultrastructure, urine.

MeSH Record

History Note

2006(1998)

MeSH Hierarchy

Tree Numbers

  1. D12.776w.157w.530w.400w.600w.900w.124.249w.875
  2. D12.776w.543w.550w.450w.750w.900w.124.249w.875
  3. D12.776w.543w.585w.400w.750w.900w.124.249w.875

AMA Style

References

  1. National Library of Medicine. KCNQ3 Potassium Channel. Medical Subject Headings (MeSH). 2026. Unique ID D051659. http://id.nlm.nih.gov/mesh/2026/D051659
  2. KCNQ3 Potassium Channel. In: Wikidata. https://www.wikidata.org/wiki/Q24775920