TANDEM: matching proteins with tandem mass spectra
Bioinformatics
Monte Carlo Strategies in Scientific Computing
Monte Carlo Strategies in Scientific Computing
Improved ranking functions for protein and modification-site identifications
RECOMB'07 Proceedings of the 11th annual international conference on Research in computational molecular biology
Protein identification as an information retrieval problem
Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval
Protein Identification from Tandem Mass Spectra with Probabilistic Language Modeling
ECML PKDD '09 Proceedings of the European Conference on Machine Learning and Knowledge Discovery in Databases: Part II
A Partial Set Covering Model for Protein Mixture Identification Using Mass Spectrometry Data
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB)
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB)
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The protein inference problem represents a major challenge in shotgun proteomics. Here we describe a novel Bayesian approach to address this challenge that incorporates the predicted peptide detectabilities as the prior probabilities of peptide identification. Our model removes some unrealistic assumptions used in previous approaches and provides a rigorious probabilistic solution to this problem. We used a complex synthetic protein mixture to test our method, and obtained promising results.