Advantages of combined transmembrane topology and signal peptide prediction--the Phobius web server.
Advantages of combined transmembrane topology and signal peptide prediction--the Phobius web server.
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DOI:
10.1093/nar/gkm256
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发表时间:
2007-07
影响因子:
14.9
通讯作者:
Sonnhammer EL
中科院分区:
文献类型:
--
作者:
Käll L;Krogh A;Sonnhammer EL
When using conventional transmembrane topology and signal peptide predictors, such as TMHMM and SignalP, there is a substantial overlap between these two types of predictions. Applying these methods to five complete proteomes, we found that 30–65% of all predicted signal peptides and 25–35% of all predicted transmembrane topologies overlap. This impairs predictions of 5–10% of the proteome, hence this is an important issue in protein annotation. To address this problem, we previously designed a hidden Markov model, Phobius, that combines transmembrane topology and signal peptide predictions. The method makes an optimal choice between transmembrane segments and signal peptides, and also allows constrained and homology-enriched predictions. We here present a web interface (http://phobius.cgb.ki.se and http://phobius.binf.ku.dk) to access Phobius.
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通讯作者:
von Heijne, G
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