Concept information
Preferred term
Conotoxins
Type
-
mesh:Descriptor
Definition
- Peptide neurotoxins from the marine fish-hunting snails of the genus CONUS. They contain 13 to 29 amino acids which are strongly basic and are highly cross-linked by disulfide bonds. There are three types of conotoxins, omega-, alpha-, and mu-. OMEGA-CONOTOXINS inhibit voltage-activated entry of calcium into the presynaptic membrane and therefore the release of ACETYLCHOLINE. Alpha-conotoxins inhibit the postsynaptic acetylcholine receptor. Mu-conotoxins prevent the generation of muscle action potentials. (From Concise Encyclopedia Biochemistry and Molecular Biology, 3rd ed)
Broader concept
Narrower concepts
Entry terms
- Conotoxin
Allowable Qualifier(s)
- administration & dosage (Qualifier)
- adverse effects (Qualifier)
- agonists (Qualifier)
- analysis (Qualifier)
- antagonists & inhibitors (Qualifier)
- biosynthesis (Qualifier)
- blood (Qualifier)
- cerebrospinal fluid (Qualifier)
- chemical synthesis (Qualifier)
- chemistry (Qualifier)
- classification (Qualifier)
- economics (Qualifier)
- genetics (Qualifier)
- history (Qualifier)
- immunology (Qualifier)
- isolation & purification (Qualifier)
- metabolism (Qualifier)
- pharmacokinetics (Qualifier)
- pharmacology (Qualifier)
- poisoning (Qualifier)
- radiation effects (Qualifier)
- therapeutic use (Qualifier)
- toxicity (Qualifier)
- urine (Qualifier)
Pharmacological Action(s)
In other languages
-
French
-
Conotoxine
-
Toxines de cône
URI
http://data.loterre.fr/ark:/67375/JVR-CQDN45DH-5
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