Cited by 56Protein Structure and DynamicsMonoclonal and Polyclonal Antibodies Researchvaccines and immunoinformatics approaches

Prediction of VH-VL domain orientation for antibody variable domain modeling

Bujotzek, Alexander, Dunbar, James, Lipsmeier, Florian, Schäfer, Wolfgang, Antes, Iris, Deane, Charlotte M., Georges, Guy·2015·Proteins Structure Function and Bioinformatics

Abstract

The antigen-binding site of antibodies forms at the interface of their two variable domains, VH and VL, making VH-VL domain orientation a factor that codetermines antibody specificity and affinity. Preserving VH-VL domain orientation in the process of antibody engineering is important in order to retain the original antibody properties, and predicting the correct VH-VL orientation has also been recognized as an important factor in antibody homology modeling. In this article, we present a fast sequence-based predictor that predicts VH-VL domain orientation with Q(2) values ranging from 0.54 to 0.73 on the evaluation set. We describe VH-VL orientation in terms of the six absolute ABangle parameters that have recently been proposed as a means to separate the different degrees of freedom of VH-VL domain orientation. In order to assess the impact of adjusting VH-VL orientation according to our predictions, we use the set of antibody structures of the recently published Antibody Modeling Assessment (AMA) II study. In comparison to the original AMAII homology models, we find an improvement in the accuracy of VH-VL orientation modeling, which also translates into an improvement in the average root-mean-square deviation with regard to the crystal structures.

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Crossref · 10.1002/prot.24756

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Authors
Bujotzek, A., Dunbar, J., Lipsmeier, F., Schäfer, W., Antes, I., Deane, C. M., & Georges, G.
Affiliations
  • Roche Pharma AG (Germany) (DE)
  • University of Oxford (GB)
  • Technical University of Munich (DE)
Corresponding author
Bujotzek, Alexander
Venue
Proteins Structure Function and Bioinformatics
Publisher
Wiley
Published
2015-02-05
Volume
83
Issue
4
Pages
681-695
ISSN
  • 0887-3585 (ISSN-L)
  • 1097-0134
OpenAlex
W2167980959
Cited by
56
References
28
Citations by year
2026: 5 · 2025: 5 · 2024: 1 · 2023: 7 · 2022: 5 · 2021: 6 · 2020: 5 · 2019: 6 · 2018: 3 · 2017: 6 · 2016: 5 · 2015: 2
FWCI
2.31
Type
journal article
Language
en
Open access
closed
Locations
  • Proteins Structure Function and Bioinformatics (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Roche (RPF-ID 260)
  • Engineering and Physical Sciences Research Council (EP/G037280/1)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • 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
Keywords
antibody variable domains, sequence-based prediction, antibody engineering, antibody binding sites
MeSH terms
Immunoglobulin Variable Region, Immunoglobulin Heavy Chains, Models, Molecular, Protein Engineering, Sequence Analysis, Protein, Databases, Protein, Structural Homology, Protein

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