Method for screening toxin neutralizing peptide, STX2 inhibiting peptide and verotoxin neutralizing agent

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United States of America Patent

PATENT NO 9103820
APP PUB NO 20090029864A1
SERIAL NO

11631008

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Abstract

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A screening method directed towards; (1) specifying a receptor binding site by introduction of mutation, and (2) specifying a binding site-specific peptide motif on the basis of an amino acid selection ratio by contrast between a peptide motif bound to a wild-type subunit and a peptide motif bound to a mutant functionally deficient in the binding site according to a peptide library method. A peptide which inhibits a toxin whose receptor binding portion has a subunit structure is screened. Accordingly, an STX2 inhibitor in which an STX2 inhibiting peptide is incorporated in a molecular nuclear structure portion having three molecules of lysine (Lys) peptide-linked thereto and which is easy to synthesize and can inhibit verotoxin is provided.

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Patent Owner(s)

Patent OwnerAddress
JAPAN SCIENCE AND TECHNOLOGY AGENCYSAITAMA PREFECTURE JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nishikawa, Kiyotaka Tokyo, JP 4 3

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