PredSL: A Tool for the N-terminal Sequence-based Prediction of Protein Subcellular Localization

查看全文 作　　者：Evangelia I. [1]Petsalaki;Pantelis G. [1]Bagos;Zoi I. [1]Litou;Stavros J. [1]Hamodrakas

机构地区：[1]Department of Cell Biology and Biophysics, Faculty of Biology, University of Athens, Panepistimiopolis, Athens15701, Greece.

出　　处：《Genomics, Proteomics & Bioinformatics》索引2006年第4卷第1期,共8页

摘　　要：The ability to predict the subcellular localization of a protein from its sequence is of great importance, as it provides information about the protein’s function. We present a computational tool, PredSL, which utilizes neural networks, Markov chains, profile hidden Markov models, and scoring matrices for the prediction of the subcellular localization of proteins in eukaryotic cells from the N-terminal amino acid sequence. It aims to classify proteins into five groups: chloroplast, thylakoid, mitochondrion, secretory pathway, and “other”. When tested in a five- fold cross-validation procedure, PredSL demonstrates 86.7% and 87.1% overall accuracy for the plant and non-plant datasets, respectively. Compared with Tar- getP, which is the most widely used method to date, and LumenP, the results of PredSL are comparable in most cases. When tested on the experimentally verified proteins of the Saccharomyces cerevisiae genome, PredSL performs com- parably if not better than any available algorithm for the same task. Further- more, PredSL is the only method capable for the prediction of these subcellu- lar localizations that is available as a stand-alone application through the URL: http://gffzz369e93cb0ab44f9fh95cn9p5boc0p6obv.ffgz.tsg.suse.edu.cn/PredSL/. 关键词：基因序列蛋白质亚细胞缩氨酸

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PredSL: A Tool for the N-terminal Sequence-based Prediction of Protein Subcellular Localization

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