From the identification of gene organization of alpha conotoxins to the cloning of novel toxins.

Abstract excerpt

In the venoms of cone snails, alpha conotoxins are competitive antagonists of nicotinic acetylcholine receptors. Eleven novel cDNA and eight partial gene sequences (including two pseudogenes) of alpha conotoxins were identified from five species of cone snail. As expected, every cDNA encodes a precursor of prepropeptide. In all the partial genes of alpha conotoxins identified, there is a long intron inserted at a...

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