Kojak

Free, open-source application for identification of cross-linked peptides from mass spectra.

Highlights:

Use virtually any stable cross-linker chemistry
Analyze isotopically labeled or non-labeled data
Supports open data formats (including mzXML and mzML)
Pre-compiled binaries get you started quickly

New to Kojak?

Start using Kojak now with our Quick Start Guide

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Current Release

Version 1.6.1

Released on December 1 2017. Get your copy from our Downloads page.

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Collaborate

We are open to collaborations on the analysis of protein structures using cross-linking technology. Interested parties should contact Dr. Michael Hoopmann.

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Update for TPP Users

Dec 1 2017

This update fixes an issue with validating PSMs that use 15N with PeptideProphet in TPP when using the browser front end. ...