Cited by 108Protein Structure and DynamicsMonoclonal and Polyclonal Antibodies ResearchChemical Synthesis and Analysis

AbDesign: An algorithm for combinatorial backbone design guided by natural conformations and sequences: Combinatorial Backbone Design in Antibodies

Open access
Lapidoth, Gideon D., Baran, Dror, Pszolla, Gabriele M., Norn, Christoffer, Alon, Assaf, Tyka, Michael D., Fleishman, Sarel J.·2015·Proteins Structure Function and Bioinformatics

Abstract

Computational design of protein function has made substantial progress, generating new enzymes, binders, inhibitors, and nanomaterials not previously seen in nature. However, the ability to design new protein backbones for function--essential to exert control over all polypeptide degrees of freedom--remains a critical challenge. Most previous attempts to design new backbones computed the mainchain from scratch. Here, instead, we describe a combinatorial backbone and sequence optimization algorithm called AbDesign, which leverages the large number of sequences and experimentally determined molecular structures of antibodies to construct new antibody models, dock them against target surfaces and optimize their sequence and backbone conformation for high stability and binding affinity. We used the algorithm to produce antibody designs that target the same molecular surfaces as nine natural, high-affinity antibodies; in five cases interface sequence identity is above 30%, and in four of those the backbone conformation at the core of the antibody binding surface is within 1 Å root-mean square deviation from the natural antibodies. Designs recapitulate polar interaction networks observed in natural complexes, and amino acid sidechain rigidity at the designed binding surface, which is likely important for affinity and specificity, is high compared to previous design studies. In designed anti-lysozyme antibodies, complementarity-determining regions (CDRs) at the periphery of the interface, such as L1 and H2, show greater backbone conformation diversity than the CDRs at the core of the interface, and increase the binding surface area compared to the natural antibody, potentially enhancing affinity and specificity.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1002/prot.24779

Cites

115 of 115 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Lapidoth, G. D., Baran, D., Pszolla, G. M., Norn, C., Alon, A., Tyka, M. D., & Fleishman, S. J.
Affiliations
  • Weizmann Institute of Science (IL)
  • Google (United States) (US)
Corresponding author
Fleishman, Sarel J.
Venue
Proteins Structure Function and Bioinformatics
Publisher
Wiley
Published
2015-06-06
Volume
83
Issue
8
Pages
1385-1406
ISSN
0887-3585 (ISSN-L)
OpenAlex
W1956208665
Cited by
107
References
115
Citations by year
2026: 8 · 2025: 12 · 2024: 11 · 2023: 6 · 2022: 18 · 2021: 10 · 2020: 8 · 2019: 8 · 2018: 13 · 2017: 8 · 2016: 5
FWCI
3.76
Type
journal article
Language
en
Open access
Locations
  • Proteins Structure Function and Bioinformatics (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • European Research Council (ERC-2013-StG-335439)
  • Israel Science Foundation (1224/12)
  • Israeli Centers for Research Excellence (1775/12)
  • Human Frontier Science Program (CDA 34/2012)
  • Marie Curie Cancer Care (PCIG11-GA-2012-320388)
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 › Chemical Synthesis and Analysis
Keywords
antibody design, sequence optimization, combinatorial designs, hypervariable region, lysozyme, binding affinity, protein-protein docking
MeSH terms
Algorithms, Amino Acid Sequence, Humans, Molecular Sequence Data, Protein Conformation, Protein Engineering, Fuzzy Logic, Computational Biology, Sequence Analysis, Protein, Complementarity Determining Regions

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review