Cited by 20Supramolecular Self-Assembly in MaterialsSurface Chemistry and CatalysisPolymer Surface Interaction Studies

Coiled coil peptide-functionalized surfaces for reversible molecular binding

Minelli, Caterina, Liew, Jian X., Muthu, Murugesan, Andresen, Heiko·2013·Soft Matter

Abstract

We studied the conformational and self-assembly properties of de novo peptides derived from the structure of the yeast transcriptional activator GCN4 in solution and on surfaces. We showed how the pH and the polarity of the solvent directed peptide conformation and assembly. The peptides self-assembled into a coiled coil structure below pH 5 whereas they disassembled above pH 7. The presence of acetonitrile in the peptide solution influenced the peptide's ability to assemble into a coiled coil structure while retaining its alpha-helix conformation. We used these properties to control the peptide packing density on gold surfaces and demonstrated that such peptide-engineered surfaces could be used for reversible molecular binding by utilising functionalised gold nanoparticles.

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Crossref · 10.1039/c3sm50379h

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38 of 38 references verified0 citation errors · 0 not checkable

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  • Achieving the desired balance between multiple target coiled-coil states often requires several rounds of trial-and-error and a detailed understanding of the energetic factors that discriminate between alternative topologies and oligomerization states.

    “While this has been accomplished in a number of cases,18−31 achieving the desired balance between multiple target coiled-coil states often requires several rounds of trial-and-error and a detailed understanding of the energetic factors that discriminate between alternative topologies and oligomerization states.”

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Authors
Minelli, C., Liew, J. X., Muthu, M., & Andresen, H.
Affiliations
  • National Physical Laboratory (GB)
  • The University of Melbourne (AU)
  • Imperial College London (GB)
Corresponding author
Minelli, Caterina
Venue
Soft Matter
Published
2013
Volume
9
Issue
20
Pages
5119
ISSN
  • 1744-683X (ISSN-L)
  • 1744-6848
OpenAlex
W2006553095
Cited by
20
References
38
Citations by year
2026: 1 · 2025: 1 · 2024: 2 · 2023: 2 · 2022: 2 · 2021: 2 · 2020: 1 · 2019: 1 · 2018: 2 · 2017: 2 · 2015: 3 · 2013: 1
FWCI
0.51
Type
journal article
Language
en
Open access
closed
Locations
Soft Matter (publishedVersion)
Topics
  • Physical Sciences › Materials Science › Biomaterials › Supramolecular Self-Assembly in Materials
  • Physical Sciences › Engineering › Biomedical Engineering › Surface Chemistry and Catalysis
  • Physical Sciences › Materials Science › Surfaces, Coatings and Films › Polymer Surface Interaction Studies
Keywords
coiled-coil peptides, GCN4, peptide self-assembly, peptide conformation, pH-dependent self-assembly, solvent polarity, acetonitrile, gold surfaces, functionalized gold nanoparticles

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