Related Experiment Video
Updated: May 26, 2026
10:18
Making Conjugation-induced Fluorescent PEGylated Virus-like Particles by Dibromomaleimide-disulfide Chemistry
Published on: May 27, 2018
Site-directed coordination chemistry with P22 virus-like particles
Masaki Uchida1, David S Morris, Sebyung Kang
1Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana, USA.
Langmuir : the ACS Journal of Surfaces and Colloids
|December 15, 2011
Summary
Protein cage nanoparticles (PCNs) offer versatile platforms for nanomaterial development. This study utilizes metal-ligand coordination bonds to precisely load molecules within P22 virus-like protein cages for advanced applications.
Area of Science:
- Nanotechnology
- Biomaterials Science
- Coordination Chemistry
Background:
- Protein cage nanoparticles (PCNs) are promising for functional nanomaterials.
- Biomimetic strategies are key for cargo encapsulation within PCNs.
- Controlling molecular loading inside PCNs remains a challenge.
Purpose of the Study:
- To demonstrate metal-ligand coordination for directed cargo loading into PCNs.
- To investigate the encapsulation of small molecules and macromolecular polymers.
- To explore the potential of this method for site-specific cargo incorporation.
Main Methods:
- Utilized a virus-like PCN from bacteriophage P22.
- Employed metal-ligand coordination bonds for guest molecule packing.
- Assessed cargo incorporation using mass spectrometry, multiangle laser light scattering, and analytical ultracentrifugation.
Main Results:
- Successfully demonstrated direct packing of guest molecules via metal-ligand bonds on the P22 PCN interior.
- Achieved encapsulation of small molecules.
- Directed the synthesis and packing of a large macromolecular coordination polymer within the P22 capsid.
Conclusions:
- Metal-ligand coordination chemistry provides a powerful tool for site-specific cargo loading in PCNs.
- This approach is versatile, accommodating various metals and ligands with tunable properties.
- Highlights potential for diverse applications in functional nanomaterials and drug delivery.
