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- W2020321332 abstract "The Alzheimer's beta-peptide in neutral aqueous solution is characterized variously as a random coil or a heterogeneous mixture of conformers. Under conditions of lowered pH characteristic of intracellular compartments such as endosomes or lysosomes, a different conformation is favored, which is reflected in the biophysical and biological properties of the peptide. The reactivity of the epitope of the monoclonal antibody 6F/3D, encompassing residues 9-14, is drastically reduced. The fluorescence of human sequence beta(1-40) with the tyrosine at position 10 substituted with tryptophan (Y10W beta(1-40)) is quenched nearly 50% when the peptide is shifted to pH 4.6. The exposure of the 6F/3D epitope parallels Y10W beta(1-40) fluorescence changes induced by a variety of perturbations. The linkage of the sensitivity of immunological detection with the potential for monitoring rapid changes by fluorescence offers convergence of biology and biophysics in the study of beta-amyloid peptide conformation." @default.
- W2020321332 created "2016-06-24" @default.
- W2020321332 creator A5049569922 @default.
- W2020321332 date "2003-09-01" @default.
- W2020321332 modified "2023-09-26" @default.
- W2020321332 title "Y10W β(1–40) fluorescence reflects epitope exposure in conformers of Alzheimer’s β-peptide" @default.
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- W2020321332 doi "https://doi.org/10.1016/s0003-9861(03)00322-9" @default.
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