Affiliation: | 1. Laboratory of Mass Spectrometry, Leibniz‐Institut für Molekulare Pharmakologie, , Berlin, Germany;2. Laboratory of Chromatin Biochemistry, Max Planck Institute for Biophysical Chemistry, , G?ttingen, Germany;3. Laboratory of Protein Chemistry, Leibniz‐Institut für Molekulare Pharmakologie, , Berlin, Germany;4. Interfaculty Institute of Biochemistry (IFIB), University of Tübingen, , Tübingen, Germany |