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• W2158781610 abstract "The ability to predict antibody binding sites (aka antigenic determinants or B-cell epitopes) for a given protein is a precursor to new vaccine design and diagnostics. Among the various methods of B-cell epitope identification X-ray crystallography is one of the most reliable methods. Using these experimental data computational methods exist for B-cell epitope prediction. As the number of structures of antibody-protein complexes grows, further interest in prediction methods using 3D structure is anticipated. This work aims to establish a benchmark for 3D structure-based epitope prediction methods. Two B-cell epitope benchmark datasets inferred from the 3D structures of antibody-protein complexes were defined. The first is a dataset of 62 representative 3D structures of protein antigens with inferred structural epitopes. The second is a dataset of 82 structures of antibody-protein complexes containing different structural epitopes. Using these datasets, eight web-servers developed for antibody and protein binding sites prediction have been evaluated. In no method did performance exceed a 40% precision and 46% recall. The values of the area under the receiver operating characteristic curve for the evaluated methods were about 0.6 for ConSurf, DiscoTope, and PPI-PRED methods and above 0.65 but not exceeding 0.70 for protein-protein docking methods when the best of the top ten models for the bound docking were considered; the remaining methods performed close to random. The benchmark datasets are included as a supplement to this paper. It may be possible to improve epitope prediction methods through training on datasets which include only immune epitopes and through utilizing more features characterizing epitopes, for example, the evolutionary conservation score. Notwithstanding, overall poor performance may reflect the generality of antigenicity and hence the inability to decipher B-cell epitopes as an intrinsic feature of the protein. It is an open question as to whether ultimately discriminatory features can be found." @default.
• W2158781610 created "2016-06-24" @default.
• W2158781610 creator A5070141127 @default.
• W2158781610 creator A5075833022 @default.
• W2158781610 date "2007-01-01" @default.
• W2158781610 modified "2023-10-17" @default.
• W2158781610 title "Antibody-protein interactions: benchmark datasets and prediction tools evaluation" @default.
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• W2158781610 doi "https://doi.org/10.1186/1472-6807-7-64" @default.
• W2158781610 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/2174481" @default.
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• W2158781610 hasPublicationYear "2007" @default.
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