Abstract
The use of proteins and peptides as nanoscale components to generate new-to-nature physical entities holds great promise in biocatalysis, therapeutic or diagnostic delivery, and materials templating. The majority of functionalized particles have been based on existing structures found in nature. Developing biomimetic particles in this way takes advantage of highly evolved platforms for organization or encapsulation of functional moieties, offering significant advantages in stoichiometry, multivalency, and sequestration. However, novel assembly paradigms for the modular construction of macromolecular structures are now greatly expanding the functional diversity of protein-based nanoparticles in health and manufacturing. In the February issue of ACS Nano, Kepiro et al. demonstrate the refinement of this concept, engineering the capacity for self-assembly such that it is integral to pore-forming peptide motifs, resulting in superior antibiotic activity of the self-assembled particle. Nature encodes multiple functions in proteins with exquisite efficiency, and emulating this multiplicity may be the ultimate goal of biomimetic nanotechnologies.
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