SPIDER: Software for Protein Identification from Sequence Tags with De Novo Sequencing Error
CSB '04 Proceedings of the 2004 IEEE Computational Systems Bioinformatics Conference
A novel scoring strategy for identifying peptide via tandem mass spectra
FSKD'09 Proceedings of the 6th international conference on Fuzzy systems and knowledge discovery - Volume 5
EigenMS: de novo analysis of peptide tandem mass spectra by spectral graph partitioning
RECOMB'05 Proceedings of the 9th Annual international conference on Research in Computational Molecular Biology
An automata approach to match gapped sequence tags against protein database
CIAA'04 Proceedings of the 9th international conference on Implementation and Application of Automata
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The determination of the amino acid sequence of a peptide from its MS/MS spectrum is an important task in proteomics. The determination without the help of a protein database is called the de novo sequencing, which is especially useful in the identification of unknown proteins. Many studies on the de novo sequencing problem have been done but none proves to be practical. In this paper, we define a new model for this problem, and provide a sophisticated dynamic programming algorithm to solve it. Experiments on real MS/MS data demonstrated that the algorithm works very well on QTof MS/MS data.