Patent ID: 8188046

Claim:
An isolated peptide comprising an amino acid sequence selected from among DAEFRHDSGYEVHHQKLVFFAWDVGSNKGAIIGLMVGGVVIA (Amyloid beta mutant P22W) (SEQ ID NO:1), DAEFRHDSGYEVHHQKLVFFAEDMGSNKGAIIGLMVGGVVIA (Amyloid beta mutant P24M) (SEQ ID NO:2), DAEFRHDSGYEVHHQKLVFFAEDGGSNKGAIIGLMVGGVVIA (Amyloid beta mutant P24G) (SEQ ID NO:3), DAEFRHDSGYEVHHQKLVFFAFDVGSNKGAIIGLMVGGVVIA (Amyloid beta mutant P22F) (SEQ ID NO:4), or DAEFRIIDSGYEVHHQKLVFFARDVGSNKGAIIGLMVGGVVIA (Amyloid beta mutant P22R) (SEQ ID NO:5).