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Related Concept Videos

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Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a...
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Antibodies, or immunoglobulins, are critical players in the immune system's arsenal against invading pathogens. Produced by B cells and plasma cells, their primary role is to detect and bind to specific antigens, molecules found on the surface of pathogens like bacteria or viruses. Beyond antigen recognition, antibodies perform several vital functions that contribute to immune defense.
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Updated: May 23, 2025

Printed Glycan Array: A Sensitive Technique for the Analysis of the Repertoire of Circulating Anti-carbohydrate Antibodies in Small Animals
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A comprehensive antigen-antibody complex database unlocking insights into interaction interface.

Yuwei Zhou1, Wenwen Liu1, Ziru Huang1

  • 1The Clinical Hospital of Chengdu Brain Science Institute, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China.

Elife
|May 22, 2025
PubMed
Summary
This summary is machine-generated.

The Antigen-Antibody Complex Database (AACDB) offers a comprehensive resource for studying antibody-antigen interactions, crucial for developing new antibody therapies. It provides accurate data and user-friendly tools for researchers.

Keywords:
antibodyantigendatabasemolecular biophysicsnonestructural biology

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Area of Science:

  • Immunology
  • Biochemistry
  • Drug Discovery

Background:

  • Antibodies are vital for vertebrate immunity and have broad biomedical uses.
  • Understanding antibody-antigen interactions is key for drug development but faces data complexity challenges.

Purpose of the Study:

  • To develop a comprehensive and accurate database for antigen-antibody complexes.
  • To provide researchers with advanced tools for analyzing antibody-antigen interactions.

Main Methods:

  • Manual processing of 7498 antigen-antibody complexes.
  • Integration of antibody developability and antigen-drug target data.
  • Annotation of paratope and epitope information.

Main Results:

  • The Antigen-Antibody Complex Database (AACDB) is established with 7498 curated complexes.
  • The database corrects PDB annotation errors and includes extensive metadata.
  • Comprehensive paratope and epitope data are provided for immunoinformatics research.

Conclusions:

  • AACDB is a valuable resource for antibody therapy development, offering improved data accuracy and accessibility.
  • The user-friendly interface and powerful tools facilitate complex data analysis.
  • The database serves as a benchmark for immunoinformatics and will be regularly updated.