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A Method for Identification of Selenoprotein Genes in Archaeal Genomes
The genetic codon UGA has a dual function: serving as a terminator and encoding selenocysteine. However, most popular gene annotation programs only take it as a stop signal, resulting in misannotation or completely missing selenoprotein genes. We developed a computational method named Asec-Prediction that is specific for the prediction of archaeal selenoprotein genes. To evaluate its effectiveness, we first applied it to 14 archaeal genomes with previously known selenoprotein genes, and Asec-Prediction identified all reported selenoprotein genes without redundant results. When we applied it to 12 archaeal genomes that had not been researched for selenoprotein genes, Asec-Prediction detected a novel selenoprotein gene in Methanosarcina acetivorans. Further evidence was also collected to support that the predicted gene should be a real selenoprotein gene. The result shows that Asec-Prediction is effective for the prediction of archaeal selenoprotein genes.
作 者： 作者单位： 刊 名： 基因组蛋白质组与生物信息学报（英文版） 英文刊名： GENOMICS、PROTEOMICS & BIOINFORMATICS 年，卷(期)： 2009 ""(1) 分类号： Q5 关键词： archaea selenocysteine selenoprotein SECIS SelB gene prediction【A Method for Identification of Selen】相关文章：
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