Cited by 107Monoclonal and Polyclonal Antibodies Researchvaccines and immunoinformatics approachesProtein purification and stability

Understanding the significance and implications of antibody numbering and antigen-binding surface/residue definition

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Dondelinger, Mathieu, Filée, Patrice, Sauvage, Eric, Quinting, Birgit, Muyldermans, Serge, Galleni, Moreno, Vandevenne, Marylène S.·2018·Frontiers in Immunology

Abstract

Monoclonal antibodies are playing an increasing role in both human and animal health. Different strategies of protein and chemical engineering, including humanization techniques of non-human antibodies were applied successfully to optimize clinical performances of antibodies. Despite the emergence of techniques allowing the development of fully human antibodies such as transgenic Xeno-mice, antibody humanization remains a standard procedure for therapeutic antibodies. An important prerequisite for antibody humanization requires standardized numbering methods to define precisely complementary determining regions (CDR), frameworks and residues from the light and heavy chains that affect the binding affinity and/or specificity of the antibody-antigen interaction. The recently generated deep-sequencing data and the increasing number of solved three-dimensional structures of antibodies from human and non-human origins have led to the emergence of numerous databases. However, these different databases use different numbering conventions and CDR definitions. In addition, the large fluctuation of the variable chain lengths, especially in CDR3 of heavy chains (CDRH3), hardly complicates the comparison and analysis of antibody sequences and the identification of the antigen binding residues. This review compares and discusses the different numbering schemes and "CDR" definition that were established up to date. Furthermore, it summarizes concepts and strategies used for numbering residues of antibodies and CDR residues identification. Finally, it discusses the importance of specific sets of residues in the binding affinity and/or specificity of immunoglobulins.

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  • Similarities between antibody amino acid sequences further allow for the creation of a standardized reference framework, or numbering scheme, giving each variable region amino acid an identifier.

    “Similarities between antibody amino acid sequences further allow for the creation of a standardized reference framework, or numbering scheme, giving each variable region amino acid an identifier [151].”

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Authors
Dondelinger, M., Filée, P., Sauvage, E., Quinting, B., Muyldermans, S., Galleni, M., & Vandevenne, M. S.
Affiliations
  • University of Liège (BE)
  • European Remanufacturing Council (BE)
  • Haute École Libre Mosane (BE)
  • Vrije Universiteit Brussel (BE)
Corresponding author
  • Dondelinger, Mathieu
  • Vandevenne, Marylène S.
Venue
Frontiers in Immunology
Published
2018-10-16
Volume
9
Pages
2278-2278
ISSN
1664-3224 (ISSN-L)
OpenAlex
W2890382137
Cited by
107
References
96
Citations by year
2026: 6 · 2025: 16 · 2024: 25 · 2023: 11 · 2022: 11 · 2021: 19 · 2020: 12 · 2019: 7
FWCI
1.48
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Immunology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Open Repository and Bibliography (University of Liège) (submittedVersion, other-oa)
  • VUBIR (Vrije Universiteit Brussel) (submittedVersion)
Funders
Waalse Gewest
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Monoclonal and Polyclonal Antibodies Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › vaccines and immunoinformatics approaches
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein purification and stability
Keywords
hypervariable region, CDR3, antibody humanization, antigen-antibody reaction, antibody database, binding affinity, binding specificity, therapeutic antibodies
MeSH terms
Protein Domains, Amino Acid Sequence, Amino Acids, Animals, Antibodies, Monoclonal, Humans, Immunoglobulin Heavy Chains, Immunoglobulin Light Chains, Complementarity Determining Regions, Mice

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