Related Experiment Video
Updated: May 28, 2025
09:34
Synthesis of Information-bearing Peptoids and their Sequence-directed Dynamic Covalent Self-assembly
Published on: February 6, 2020
7.2K
Harnessing Amino Acid Modularity for Programmable Function in Covalent Peptide Assemblies
Yun-Mi Hur1,2, Kyoung-Ik Min1,2,3
1Department of Biomedical Convergence Science and Technology, Kyungpook National University, Daegu, 41566, Republic of Korea.
Advanced Materials (Deerfield Beach, Fla.)
|February 10, 2025
Summary
Researchers developed a method to precisely control peptide assembly using amino acid sequences. This allows for the creation of complex peptide materials with tunable functions for advanced applications.
Area of Science:
- Biomaterials Science
- Supramolecular Chemistry
- Synthetic Biology
Background:
- Covalent peptide assembly combines strong covalent bonds with dynamic non-covalent interactions for stability and function.
- Achieving modular control over structural diversity and functional complexity in these assemblies remains a challenge.
- Understanding the role of specific amino acid sequences in peptide assembly is crucial.
Purpose of the Study:
- To demonstrate systematic encoding of peptide derivative characteristics via amino acid modularity.
- To enable precise control over structural diversity and functional complexity in covalent peptide assemblies.
- To establish a framework for designing modular peptide materials with programmable functionalities.
Main Methods:
- Systematic screening of single amino acid substitutions in pentapeptides.
- Utilizing tyrosine crosslinking to create a diverse library of peptide constructs.
- Strategic manipulation of sequence composition in individual and combinatorial systems.
Main Results:
- Developed peptide constructs with distinct properties like charge repulsion, aggregation-induced quenching, disassembly behavior, and redox responsiveness.
- Achieved programmable control over structural diversity and functional complexity through sequence manipulation.
- Demonstrated module-specific functions including frustrated growth, hierarchical hollow architecture formation, affinity enrichment, stimuli-responsive behavior, and fluorescence signal amplification.
Conclusions:
- Established a framework for designing modular peptide materials with programmable functionalities.
- Advanced the development of next-generation multicomponent peptide assembly technologies.
- Highlighted the potential for unprecedented complexity and adaptability in peptide-based materials.
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