PepNovo: De novo peptide sequencing via probabilistic network modeling. Frank, A. & Pevzner, P. Anal Chem, 15(4):964–973, 2005. doi abstract bibtex We present a novel scoring method for de novo interpretation of peptides from tandem mass spectrometry data. Our scoring method uses a probabilistic network whose structure reflects the chemical and physical rules that govern the peptide fragmentation. We use a likelihood ratio hypothesis test to determine whether the peaks observed in the mass spectrum are more likely to have been produced under our fragmentation model than under a model that treats peaks as random events. We tested our de novo algorithm PepNovo on ion trap data and achieved results that are superior to popular de novo peptide sequencing algorithms. PepNovo can be accessed via the URL http://www-cse.ucsd.edu/groups/bioinformatics/software.html.
@Article{frank05pepnovo,
author = {Ari Frank and Pavel Pevzner},
title = {{PepNovo}: De novo peptide sequencing via probabilistic network modeling},
journal = {Anal Chem},
year = {2005},
volume = {15},
number = {4},
pages = {964--973},
abstract = {We present a novel scoring method for de novo interpretation of peptides from tandem mass spectrometry data. Our scoring method uses a probabilistic network whose structure reflects the chemical and physical rules that govern the peptide fragmentation. We use a likelihood ratio hypothesis test to determine whether the peaks observed in the mass spectrum are more likely to have been produced under our fragmentation model than under a model that treats peaks as random events. We tested our de novo algorithm PepNovo on ion trap data and achieved results that are superior to popular de novo peptide sequencing algorithms. PepNovo can be accessed via the URL http://www-cse.ucsd.edu/groups/bioinformatics/software.html.},
doi = {10.1021/ac048788h},
pmid = {15858974},
}
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