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In computational proteomics, inferring the peptide sequence from its tandem mass spectrum is an important issue. Several algorithms have been proposed to solve this problem. However, few algorithms make good use of the intensity information of the ions. In this paper, a novel scoring strategy is proposed based on kNN technique for identifying peptide by use of tandem mass spectra. First the intensity...
In computational proteomics, inferring the peptide sequence from its MS/MS data is an important issue and many algorithms have been proposed. Ions classification aiming at determining the type of ions provides a basis for most of the existing algorithms. However, no report on ions classification methods have been found to our knowledge. In this paper, a method extracting ion feature is first presented...
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