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Updated: May 14, 2026
08:09
Peptide Scanning-assisted Identification of a Monoclonal Antibody-recognized Linear B-cell Epitope
Published on: March 24, 2017
Computational identification of antigen-binding antibody fragments
Anat Burkovitz1, Olga Leiderman, Inbal Sela-Culang
1The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan 52900, Israel.
Journal of Immunology (Baltimore, Md. : 1950)
|January 30, 2013
Summary
Identifying essential antibody (Ab) fragments for antigen (Ag) binding is key for immunity and therapies. Structural analysis reveals specific CDRs can bind Ags independently, enabling rational design of peptide therapeutics.
Area of Science:
- Immunology
- Structural Biology
- Biochemistry
Background:
- Understanding antibody-antigen interactions is vital for B cell immunity.
- Identifying minimal antibody (Ab) binding fragments aids therapeutic and diagnostic development.
Purpose of the Study:
- To determine which antibody fragments are essential for antigen (Ag) recognition and binding.
- To enable the development of improved Ab-based therapies and diagnostics through fragment identification.
Main Methods:
- Structural analysis of five Ab-Ag complexes.
- Predicting antigen-binding capability of individual complementarity-determining regions (CDRs).
- Assessing CDR energetic contributions and interdependencies in Ag binding.
Main Results:
- Structural analysis successfully identified specific antibody fragments capable of binding antigens independently.
- Predictions of CDR-mediated binding were validated experimentally and against published data.
- Demonstrated the modular nature of Ab-Ag interactions.
Conclusions:
- Antibody complementarity-determining regions (CDRs) can function as independent peptide binders.
- Findings support rational design of active CDR-derived peptides for therapeutic applications.
- Advances understanding of antibody-antigen binding mechanisms.
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Neutralization
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