1. Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, 100190 Beijing, China
2. Centre for Systems Chemistry, Stratingh Institute, Nijenborgh 4, 9747 AG Groningen, The Netherlands
3. Department of Pharmacy and Center for Integrated Protein Science, Ludwig-Maximilians Universität, 81377 Munich, Germany