Noncanonical Amino Acids: Bringing New-to-Nature Functionalities to Biocatalysis

Area of Science:

• Biocatalysis and Synthetic Organic Chemistry
• Biotechnology and Genetic Engineering

Background:

• Biocatalysis offers efficient and sustainable synthetic routes in organic chemistry.
• Enzyme potential is increasingly realized through advances in molecular biology, computational modeling, and protein engineering.
• Limitations of natural amino acids necessitate exploring novel building blocks.

Purpose of the Study:

• To provide a comprehensive review of noncanonical amino acid applications in biocatalysis.
• To examine the impact of noncanonical amino acids on enzymatic reactions and active site design.
• To explore the catalysis of new-to-nature reactions using engineered enzymes.

Main Methods:

• Review of literature on genetic incorporation of noncanonical amino acids.
• Analysis of case studies demonstrating altered enzyme function and reactivity.
• Discussion of computational and experimental approaches for enzyme engineering.

Main Results:

• Noncanonical amino acids enable expansion of the enzyme's functional repertoire.
• Engineered active sites with noncanonical amino acids can catalyze novel chemical transformations.
• This approach offers a pathway to create enzymes for new-to-nature reactions.

Conclusions:

• Noncanonical amino acids represent a revolutionary tool in biocatalysis.
• Further research holds promise for expanding enzyme capabilities and applications.
• Challenges remain in efficient incorporation and application, but opportunities are significant.