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- W2257823342 abstract "Abstract Amyloid supramolecular assemblies have found widespread exploitation as ordered nanomaterials in a range of applications from materials science to biotechnology. New strategies are, however, required for understanding and promoting mature fibril formation from simple monomer motifs through easy and scalable processes. Noncovalent interactions are key to forming and holding the amyloid structure together. On the other hand, the halogen bond has never been used purposefully to achieve control over amyloid self-assembly. Here we show that single atom replacement of hydrogen with iodine, a halogen-bond donor, in the human calcitonin-derived amyloidogenic fragment DFNKF results in a super-gelator peptide, which forms a strong and shape-persistent hydrogel at 30-fold lower concentration than the wild-type pentapeptide. This is remarkable for such a modest perturbation in structure. Iodination of aromatic amino acids may thus develop as a general strategy for the design of new hydrogels from unprotected peptides and without using organic solvents." @default.
- W2257823342 created "2016-06-24" @default.
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- W2257823342 date "2015-06-30" @default.
- W2257823342 modified "2023-10-16" @default.
- W2257823342 title "Supramolecular amplification of amyloid self-assembly by iodination" @default.
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- W2257823342 doi "https://doi.org/10.1038/ncomms8574" @default.
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