- Article
PTMs_Closed_Search: Multiple Post-Translational Modification Closed Search Using Reduced Search Space and Transferred FDR
- Yury Yu. Strogov,
- Sergey A. Spirin,
- Mark V. Ivanov,
- Maria A. Kulebyakina,
- Anastasia Yu. Efimenko and
- Oleg I. Klychnikov
2 February 2026
Background: Currently, post-translational modification (PTM) search in MS/MS data is performed using either open modification search (OMS) or closed search (CS) algorithms. The OMS method allows for the determination of many PTMs and unknown mass-shi...

