mokapot

mokapot applies semisupervised machine learning to improve assignment of peptides to tandem mass spectra and enhance peptide detection accuracy in proteomics studies.


Key Features:

  • Semisupervised learning algorithm: Implements a flexible semisupervised machine learning approach for scoring and ranking peptide-spectrum matches across diverse proteomics datasets.
  • Customization capabilities: Allows analysis parameters to be tailored to specific experimental conditions to optimize peptide detection.

Scientific Applications:

  • RNA-cross-linked peptide detection: Improves detection of RNA-cross-linked peptides to support studies of RNA-binding proteins and protein-RNA interactions.
  • Consistency across proteomics studies: Enhances the consistency and reliability of peptide detection across proteomics applications, including single-cell proteomics.

Methodology:

Leverages semisupervised machine learning algorithms to refine peptide assignment to tandem mass spectra by incorporating both labeled and unlabeled data.

Topics

Details

Cost:
Free of charge
Tool Type:
command-line tool
Programming Languages:
Python
Added:
5/28/2021
Last Updated:
5/28/2021

Operations

Publications

Fondrie WE, Noble WS. mokapot: Fast and Flexible Semisupervised Learning for Peptide Detection. Journal of Proteome Research. 2021;20(4):1966-1971. doi:10.1021/acs.jproteome.0c01010. PMID:33596079. PMCID:PMC8022319.

PMID: 33596079
PMCID: PMC8022319
Funding: - National Institutes of Health: T32HG000035 - National Institute of General Medical Sciences: P41GM103533, R01GM121818