Self-assembled peptide amphiphiles function as multivalent binder with increased hemagglutinin affinity

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Self-assembled peptide amphiphiles function as multivalent binder with increased hemagglutinin affinity

BACKGROUND A promising way in diagnostic and therapeutic applications is the development of peptide amphiphiles (PAs). Peptides with a palmitic acid alkylchain were designed and characterized to study the effect of the structure modifications on self-assembling capabilities and the multiple binding capacity to hemagglutinin (HA), the surface protein of influenza virus type A. The peptide amphip...

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The stabilization of peptide's active conformation is a critical determinant of its target binding efficiency. Here we present a structure-based self-assembly strategy for the design of nanostructures with multiple and thermostable α-helices using bioinspired peptide amphiphiles. The design principle was inspired by the oligomerization of the human immunodeficiency virus type-1 (HIV-1) Rev prot...

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Morphological characterization of self-assembled peptide nucleic acid amphiphiles.

Peptide nucleic acid amphiphiles (PNAA) are a promising set of materials for sequence-specific separation of nucleic acids from complex mixtures. To implement PNAA in micellar separations, the morphology and size of PNAA micelles in the presence and absence of a sodium dodecyl sulfate (SDS) cosurfactant have been studied by small-angle X-ray scattering and dynamic light scattering. We find that...

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The internal structure of self-assembled peptide amphiphiles nanofibers{

The self-assembly of peptide amphiphiles (PAs) into nanofibers and their bioactivity as well as physical properties have been investigated by our laboratory over the past few years. We report here on the use of transmission infrared spectroscopy (IR) and polarization modulation-infrared reflection-absorption spectroscopy (PM-IRRAS) to characterize the internal structure of the nanofibers. Depos...

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Self-assembled multivalent carbohydrate ligands.

Materials that display multiple carbohydrate residues have gained much attention due to their potential to inhibit or modulate biological multivalent interactions. These materials can be grouped accordingly to the way they are prepared, as unimolecular or as self-assembled systems. Both systems take advantage of the fact that multivalent interactions have significantly higher binding affinity t...

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ژورنال

عنوان ژورنال: BMC Biotechnology

سال: 2013

ISSN: 1472-6750

DOI: 10.1186/1472-6750-13-51