Engineering of Affibody Molecules.
Cold Spring Harbor protocols(2023)
Abstract
Affibody molecules are small, robust, and versatile affinity proteins currently being explored for therapeutic, diagnostic, and biotechnological applications. Surface-exposed residues on the affibody scaffold are randomized to create large affibody libraries from which novel binding specificities to virtually any protein target can be generated using combinatorial protein engineering. Affibody molecules have the potential to complement-or even surpass-current antibody-based technologies, exhibiting multiple desirable properties, such as high stability, affinity, and specificity, efficient tissue penetration, and straightforward modular extension of functional domains. It has been shown in both preclinical and clinical studies that affibody molecules are safe, efficacious, and valuable alternatives to antibodies for specific targeting in the context of in vivo diagnostics and therapy. Here, we provide a general background of affibody molecules, give examples of reported applications, and briefly summarize the methodology for affibody generation.
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Key words
Antibody Engineering
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