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Biocatalytic Pathway Selection in Transient Tripeptide Nanostructures
Abstract
Structural adaption in living systems is achieved by competing catalytic pathways that drive assembly and disassembly of molecular components under the influence of chemical fuels. We report on a simple mimic of such a system that displays transient, sequence‐dependent formation of supramolecular nanostructures based on biocatalytic formation and hydrolysis of self‐assembling tripeptides. The systems are catalyzed by α‐chymotrypsin and driven by hydrolysis of dipeptide aspartyl‐phenylalanine‐methyl ester (the sweetener aspartame, DF‐OMe). We observed switch‐like pathway selection, with the kinetics and consequent lifetime of transient nanostructures controlled by the peptide sequence. In direct competition, kinetic (rather than thermodynamic) component selection is observed.
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Artificial sweeteners induce glucose intolerance by altering the gut microbiota
Suez, J., Korem, T., Zeevi, D., Zilberman-Schapira, G., Thaiss, C. A., Maza, O., Israeli, D., Zmora, N., Gilad, S., Weinberger, A., et al. (2014) · Nature · doi:10.1038/nature13793 · Cited by 2,067
Evolution of oil droplets in a chemorobotic platform
Gutierrez, J. M. P., Hinkley, T., Taylor, J. W., Yanev, K., & Cronin, L. (2014) · Nature Communications · doi:10.1038/ncomms6571 · Cited by 119
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Metadata
- Authors
- Pappas, C. G., Sasselli, I. R., & Ulijn, R. V.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2015-05-26
- Volume
- 54
- Issue
- 28
- Pages
- 8119-8123
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2120105366
- Cited by
- 194
- References
- 2
- FWCI
- 9.45
- Type
- journal article
- Language
- en
- Open access
- closed
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