Chemicals and Drugs

omega-Conotoxins

A family of structurally related neurotoxic peptides from mollusk venom that inhibit voltage-activated entry of calcium into the presynaptic membrane. They selectively inhibit N-, P-, and Q-type calcium channels.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A family of structurally related neurotoxic peptides from mollusk venom that inhibit voltage-activated entry of calcium into the presynaptic membrane. They selectively inhibit N-, P-, and Q-type calcium channels.

MeSH Record

Classification

Broader headings

Narrower headings

Related Concepts

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

3 entry terms
  • omega-Conotoxin
  • omega Conotoxin
  • omega Conotoxins

MeSH Record

Aspects Covered

24 allowable subheadings

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

MeSH Record

History Note

2000

MeSH Record

Previous Indexing

  • Mollusk Venoms (1989-1996)
  • Peptides (1992-1999)

MeSH Hierarchy

Tree Numbers

  1. D20.888w.590.162w.720
  2. D23.946w.580.590.162w.720
  3. D23.946w.833w.590.162w.720

AMA Style

References

  1. National Library of Medicine. omega-Conotoxins. Medical Subject Headings (MeSH). 2026. Unique ID D020960. http://id.nlm.nih.gov/mesh/2026/D020960
  2. omega-Conotoxins. In: Wikidata. https://www.wikidata.org/wiki/Q67440182