Protein-Based Biological Materials: Molecular Design and Artificial Production

Area of Science:

• Biomaterials Science
• Polymer Chemistry
• Biotechnology

Background:

• Synthetic polymers from fossil fuels present significant environmental challenges.
• Natural biopolymers offer sustainable alternatives with harmless degradation products.
• Understanding protein-based materials is key to replicating their properties synthetically.

Purpose of the Study:

• To review the historical and current advancements in sequencing protein-based materials.
• To explore the design principles and mechanical properties of various protein material classes.
• To discuss the progress in biotechnological and synthetic biology approaches for artificial protein material production.

Main Methods:

• Historical review of protein sequencing techniques.
• Analysis of recent developments in sequencing and proteomic technologies.
• Classification and structural analysis of four main classes of protein materials (fibrous, bioelastomers, bulk, adhesives).
• Review of biotechnological and synthetic biology methods for artificial production.

Main Results:

• Accelerated sequencing of extracellular proteins is now possible.
• Four classes of protein materials demonstrate tunable mechanical properties based on structure.
• Biotechnology and synthetic biology are enabling artificial production of protein materials.
• Start-up companies are working on economically viable scale-up of production.

Conclusions:

• Protein-based materials hold significant promise as sustainable alternatives.
• Advancements in sequencing and biofabrication are crucial for their development.
• Further research in biotechnology and synthetic biology can unlock their full potential.