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Issue 36, 2018
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Halogen bonding at the wet interfaces of an amyloid peptide structure

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Abstract

Amyloid peptide hydrogels are a class of materials of great interest due to their structural simplicity, good performances and easy tuning of their properties by chemical modification. Among the possible modifications, halogenation has not yet been exploited extensively. Here, we report the single-crystal X-ray structure of two dihalogenated derivatives of the amyloidogenic sequence DFNKF. The obtained results show how halogenation is a promising tool to stabilize – through halogen bonds – the wet interface of amyloid structures, to determine an increase in the water uptake, hence the hydrogelation properties of the peptide sequence.

Graphical abstract: Halogen bonding at the wet interfaces of an amyloid peptide structure

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Article information


Submitted
20 Jul 2018
Accepted
11 Aug 2018
First published
17 Aug 2018

CrystEngComm, 2018,20, 5321-5326
Article type
Communication

Halogen bonding at the wet interfaces of an amyloid peptide structure

A. Pizzi, N. Demitri, G. Terraneo and P. Metrangolo, CrystEngComm, 2018, 20, 5321 DOI: 10.1039/C8CE01205A

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