Conformational B-Cell Epitope Prediction Method Based on Antigen Preprocessing and Mimotopes Analysis

Identification of epitopes which invokes strong humoral responses is an essential issue in the field of immunology. Various computational methods that have been developed based on the antigen structures and the mimotopes these years narrow the search for experimental validation. These methods can be...

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Bibliographic Details
Published in:BioMed research international 2015-01, Vol.2015 (2015), p.1-8
Main Authors: Li, Yuxin, Huang, Yanxin, Liu, Bo, Gu, Yu, Zhang, Baowen, Ju, Haixu, Sun, Pingping, Zhang, Huijie
Format: Article
Language:English
Subjects:
Algorithms
Antigenic determinants
Antigens
Antigens - chemistry
Antigens - immunology
Computational Biology - methods
Datasets
Epitopes, B-Lymphocyte - chemistry
Epitopes, B-Lymphocyte - immunology
Immunology
Methods
Molecular Conformation
Monoclonal antibodies
Physiological aspects
Proteins
Web portals
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Summary:Identification of epitopes which invokes strong humoral responses is an essential issue in the field of immunology. Various computational methods that have been developed based on the antigen structures and the mimotopes these years narrow the search for experimental validation. These methods can be divided into two categories: antigen structure-based methods and mimotope-based methods. Though new methods of the two kinds have been proposed in these years, they cannot maintain a high degree of satisfaction in various circumstances. In this paper, we proposed a new conformational B-cell epitope prediction method based on antigen preprocessing and mimotopes analysis. The method classifies the antigen surface residues into “epitopes” and “nonepitopes” by six epitope propensity scales, removing the “nonepitopes” and using the preprocessed antigen for epitope prediction based on mimotope sequences. The proposed method gives out the mean F score of 0.42 on the testing dataset. When compared with other publicly available servers by using the testing dataset, the new method yields better performance. The results demonstrate the proposed method is competent for the conformational B-cell epitope prediction.
ISSN:2314-6133
2314-6141
DOI:10.1155/2015/257030