Domain swapping in materials design

Area of Science:

• Biomaterials Science
• Protein Engineering
• Supramolecular Chemistry

Background:

• Peptide self-assembly is a fundamental bottom-up approach for fabricating materials, particularly hydrogels.
• Controlling the morphology of self-assembled peptide fibrils is crucial for tailoring bulk material properties.
• Current understanding of the mechanistic rules governing peptide self-assembly remains limited, hindering precise control.

Purpose of the Study:

• To review common mechanistic variations of protein domain swapping.
• To explore the potential of applying domain swapping principles to peptide design for controlled self-assembly.
• To facilitate the creation of novel materials with targeted properties through engineered peptide self-assembly.

Main Methods:

• Review of naturally occurring protein examples exhibiting domain swapping.
• Analysis of domain swapping mechanisms in protein self-assembly.
• Exploration of design principles for peptide-based materials.

Main Results:

• Domain swapping, where protein domains are exchanged, enables precise structural control during self-assembly.
• Naturally occurring proteins provide valuable insights into controlled fibril network formation.
• The review highlights the potential for designing peptides that mimic domain swapping for predictable assembly.

Conclusions:

• Domain swapping is a powerful mechanism for achieving structural control in protein and peptide self-assembly.
• Applying domain swapping principles to peptide design can lead to the development of advanced materials with tunable properties.
• Further research into peptide design based on domain swapping can unlock new possibilities in biomaterials fabrication.