groupfilter - a software tool for efficient filtering of Morpheus search engine results

groupfilter is a module based on the pyteomics ( package that increases the number of identifications above FDR threshold for Morpheus search engine results.


  • pyteomics (>= 3.0)
  • numpy

How to install

  • best way to install groupfilter is with pip: pip install numpy pyteomics groupfilter.
  • alternatively, you can download source code for each library and run python install for each of them.
  • There may be other ways to install numpy, depending on your platform.

How to use file1.tsv [file2.tsv ...] db.fasta

positional arguments:

files list of Morpheus PSM files

db.fasta path to FASTA file