Enzyme encapsulation by protein cages

Area of Science:

• Biotechnology
• Nanotechnology
• Protein Engineering

Background:

• Protein cages are natural or artificial hollow protein shells with internal nanometric cavities.
• Their structure provides a protective environment for encapsulated biomolecules, preventing degradation.
• Encapsulating functional proteins, particularly enzymes, is crucial for industrial, diagnostic, and therapeutic applications.

Purpose of the Study:

• To review current attachment strategies for enzyme encapsulation within protein cages.
• To highlight recent advancements in designing protein cages for cargo capture.
• To discuss the future potential of enzyme-loaded protein cages.

Main Methods:

• Review of high-resolution protein cage structures.
• Analysis of recent advances in artificial protein cage production.
• Survey of demonstrated enzyme encapsulation techniques using internal surface chemistries.

Main Results:

• Various attachment strategies for enzyme encapsulation in protein cages have been successfully demonstrated.
• Protein cages can be engineered with specific internal surface chemistries for targeted cargo capture.
• High-resolution structural data aids in the rational design of protein cages.

Conclusions:

• Engineered protein cages offer a promising platform for enzyme stabilization and targeted delivery.
• Advancements in protein cage design and functionalization are expanding their application scope.
• Further development of attachment strategies will enhance the utility of protein cages in biotechnology and medicine.