Clinical Report: Allosteric Interactions in Antibodies Influence Antigen-Binding Affinity
Overview
This study investigates the allosteric effects within antibodies on antigen-binding affinities across various isotypes. Significant long-range allosteric interactions were identified, particularly from the Fc region to the Fab region, influencing binding affinities independent of avidity.
Background
Antibodies play a crucial role in the immune response, with different classes exhibiting unique binding properties and effector functions. Understanding the allosteric interactions within antibodies is essential.
Data Highlights
No numerical data or trial data provided in the source material.
Key Findings
Allosteric modulation of antigen binding is influenced by the CH1 domain and Fc region interactions.
Full-length antibodies show higher binding affinities compared to Fab fragments, regardless of avidity.
Long-range allosteric effects from the Fc region significantly impact antigen-binding affinities.
Differences in antibody flexibility and pre-organization drive the observed thermodynamic effects.
Small to medium-range allosteric differences were noted among different CH1 domains.
Clinical Implications
The findings provide insights into allosteric interactions in antibodies.
Conclusion
This study provides insights into the allosteric mechanisms that govern antibody function.
