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Chirality Transfer of Glycopeptide across Scales Defined by the Continuity of Hydrogen Bonds
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK). Fudan University, P.R. China.
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Number of Authors: 92024 (English)In: ACS Nano, ISSN 1936-0851, E-ISSN 1936-086X, Vol. 18, no 22, p. 14367-14376Article in journal (Refereed) Published
Abstract [en]

In nature, chirality transfer refines biomolecules across all size scales, bestowing them with a myriad of sophisticated functions. Despite recent advances in replicating chirality transfer with biotic or abiotic building blocks, a molecular understanding of the underlying mechanism of chirality transfer remains a daunting challenge. In this paper, the coassembly of two types of glycopeptide molecules differing in capability of forming intermolecular hydrogen bonds enabled the involvement of discontinuous hydrogen bond, which allowed for a nanoscale chirality transfer from glycopeptide molecules to chiral micelles, yet inhibited the micrometer scale chirality transfer toward helix formation, leading to an achiral transfer from chiral micelles to planar monolayer. Upon stacking the monolayer into a bilayer, the nonsuperimposable front and back faces of the chiral micelles involved in the monolayer ribbons lead to the opposite rotation of two layers toward increasing the continuity of H-bonds. The resultant continuity triggered the symmetry breaking of stacked bilayers and thus reactivated the micrometer-scale chirality transfer toward the final helix. This work delineates a promising step toward a better understanding and replicating the naturally occurring chirality transfer events and will be instructive to future chiral material design.

Place, publisher, year, edition, pages
2024. Vol. 18, no 22, p. 14367-14376
Keywords [en]
chirality transfer, hydrogen bonds, glycopeptide, coassembly, helix
National Category
Physical Chemistry
Identifiers
URN: urn:nbn:se:su:diva-232541DOI: 10.1021/acsnano.4c00468ISI: 001228096000001PubMedID: 38767458Scopus ID: 2-s2.0-85194039037OAI: oai:DiVA.org:su-232541DiVA, id: diva2:1890228
Available from: 2024-08-19 Created: 2024-08-19 Last updated: 2024-08-19Bibliographically approved

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Liu, RongyingYuan, JiayinHedin, Niklas

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