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Preferred Label : conotoxins;

MeSH 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);

MeSH synonym : conotoxin;

MeSH hyponym : alpha-Conotoxins; mu-Conotoxins; mu Conotoxins; mu-Conotoxin; mu Conotoxin; alpha Conotoxins; alpha-Conotoxin; alpha Conotoxin;

MeSH annotation : OMEGA-CONOTOXINS and OMEGA-CONOTOXIN GVIA are available;

Wikipedia link : https://en.wikipedia.org/wiki/Conotoxins;

Is substance : O;

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Keyword's position in hierarchy(ies) : arborescence

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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)

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20/05/2025


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