Information-Driven Modelling of Antibody-Antigen Complexes

F. Ambrosetti, B. Jiménez-García, J. Roel-Touris, A.M.J.J. Bonvin

Research output: Working paperPreprintAcademic

Abstract

Antibodies are Y-shaped proteins essential for immune response. Their capability to recognize antigens with high specificity makes them excellent therapeutic targets. Understanding the structural basis of antibody-antigen interactions is therefore crucial to improve our ability of designing efficient biological drugs. Computational approaches such as molecular docking are providing a valuable and fast alternative to experimental structural characterization for those complexes. We investigate here how information about complementary determining regions and binding epitopes can be used to drive the modelling process and present a comparative study of four different docking software (ClusPro, LightDock, ZDOCK and HADDOCK) providing specific options for antibody-antigen modelling. Their performance on a dataset of 16 complexes is reported. HADDOCK, which includes information to drive the docking, is shown to perform best in terms of both success rate and quality of the generated models both in the presence and absence of information about the epitope on the antigen.
Original languageEnglish
PublisherSSRN
DOIs
Publication statusPublished - 2019

Publication series

NameSSRN

Keywords

  • Antibody
  • docking
  • H3-modelling
  • ClusPro
  • ZDOCK
  • HADDOCK
  • LightDock

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