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Updated: Jun 3, 2026

An Integrated Approach for Microprotein Identification and Sequence Analysis
Published on: July 12, 2022
A novel fuzzy Fisher classifier for signal peptide prediction
Cui-Fang Gao1, Zi-Xue Qiu, Xiao-Jun Wu
1Jiangsu Provincial Key Laboratory of ASIC, Nantong University, Nantong, PR China.
Abstract:
Signal peptides recognition by bioinformatics approaches is particularly important for the efficient secretion and production of specific proteins. We concentrate on developing an integrated fuzzy Fisher clustering (IFFC) and designing a novel classifier based on IFFC for predicting secretory proteins. IFFC provides a powerful optimal discriminant vector calculated by fuzzy intra-cluster scatter matrix and fuzzy inter-cluster scatter matrix. Because the training samples and test samples are processed together in IFFC, it is convenient for users to employ their own specific samples of high reliability as training data if necessary. The cross-validation results on some existing datasets indicate that the fuzzy Fisher classifier is quite promising for signal peptide prediction.
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