Patent ID: 7348400

Claim:
An isolated α-conotoxin-like peptide up to 19 amino acid residues in length, comprising the following sequence of amino acids: (SEQ ID NO:12) Xaa 1 -Cys-Cys-Ser-Xaa 2 -Xaa 3 -Xaa 4 -Cys-Xaa 5 -Xaa 6 - Xaa 7 -Xaa 8 -Xaa 9 -Xaa 10 -Xaa 11 -Cys, wherein: Xaa 1 is Gly or Asp; Xaa 2 is Asp, His or Asn; Xaa 3 is Pro, hydroxyproline or Gln; Xaa 4 is Ala, Pro or Arg; Xaa 5 is Asn, Ala or Tyr; Xaa 6 is Ala, Tyr or His Xaa 7 is Asn or Asp; Xaa 8 is His or Asn; Xaa 9 is Pro, hydroxyproline or Gln; Xaa 10 is Asp, Glu or γ-carboxyglutamate; Xaa 11 is Ile or Tyr; and the C-terminus is optionally amidated.