期刊
BMC BIOINFORMATICS
卷 15, 期 -, 页码 -出版社
BMC
DOI: 10.1186/s12859-014-0414-y
关键词
B-cell; Linear epitope; Prediction; Multiple linear regression
类别
资金
- Ministry of Science and Technology of China [2009CB918801]
- Natural Science Foundation of China [31370855]
Background: B-cell epitopes have been studied extensively due to their immunological applications, such as peptide-based vaccine development, antibody production, and disease diagnosis and therapy. Despite several decades of research, the accurate prediction of linear B-cell epitopes has remained a challenging task. Results: In this work, based on the antigen's primary sequence information, a novel linear B-cell epitope prediction model was developed using the multiple linear regression (MLR). A 10-fold cross-validation test on a large nonredundant dataset was performed to evaluate the performance of our model. To alleviate the problem caused by the noise of negative dataset, 300 experiments utilizing 300 sub-datasets were performed. We achieved overall sensitivity of 81.8%, precision of 64.1% and area under the receiver operating characteristic curve (AUC) of 0.728. Conclusions: We have presented a reliable method for the identification of linear B cell epitope using antigen's primary sequence information. Moreover, a web server EPMLR has been developed for linear B-cell epitope prediction: http://www. bioinfo.tsinghua.edu.cn/epitope/EPMLR/.
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