At the 3 'untranslated region and signal chain of genes encoding, (57) [summary] The present invention, conotoxin is a conotoxin peptide having a strong homology to the chain of α- conotoxin peptide within the A- pedigree It is directed to a peptide. The α- conotoxin peptide discussed further below, this peptide toxin of A- pedigree encompasses and α- conotoxin-like peptide κ- conotoxin peptide. α- conotoxin Pebuchido to share the motif chain "nuclear" in general. It is named α3 / 5 nucleus, this nuclear chain, Cys-Cys-Xaa-Xaa-Xaa-Cys-Xaa-Xaa-Xaa-Xaa-Xaa-Cys (consistent identification number: 1) is represented by. The nuclear chain share named etc. α4 / 7 nuclear in general, α- conotoxin-like peptide, Cys-Cys-Xaa-Xaa-Xaa-Xaa-Cys-Xaa-Xaa-Xaa-Xaa-Xaa-Xaa-Xaa-Cys can be expressed by: (2 consistent identification number). and a nuclear chain named κ7 / 2/1/3 nuclear in general, κ- conotoxin peptide, Cys-Cys-Xaa-Xaa-Xaa-Xaa-Xaa-Xaa-Xaa-Cys-Xaa-Xaa-Cys can be expressed by: (3 consistently identification number) -Xaa-Cys-Xaa-Xaa-Xaa-Cys.
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