Prof. Dr. Christian Freund

Prof. Dr. Christian Freund

Freie Universität Berlin
Institute for Chemistry & Biochemistry
Thielallee 63
14195 Berlin
Phone: +49 (30) 838 51189
Fax: +49 (30) 838 56413
E-Mail: christian.freund@fu-berlin.de


Research Area

Protein Biochemistry


Position and Status

Professor of Protein Biochemistry (W2)


Scholarships and awards

2009 - Joint grant recipient and winner of the “Innovationswettbewerb Medizintechnik” of the German Ministry of Education and Research
1999 - Biofuture award of the German Ministry of Education and Research
1997 - Post-doctoral scholarship by the Swiss National Funds



University training and degree

1986 - 1989 - Chemistry, Ludwig-Maximilians-Universität München
1983 - 1986 - Chemistry, Heinrich-Heine-Universität Düsseldorf

 

Advanced academic qualifications

2005 - Habilitation (venia legendi), Biochemistry, Freie Universität Berlin
1994 - PhD, Max-Planck-Institute of Biochemistry, AG NMR (Holak), Department of Structural Biology (Huber)

 

Postgraduate professional career

2018 (Jan-March) - Visiting scholar at the University of California San Francisco
2011 - present - Full professor of Biochemistry (W2), FU Berlin
2000 - 2011 - Independent research group leader, Leibniz-Institute of Molecular Pharmacology, Berlin
1997 - 2000 - Joint appointment post-doctoral fellow at Harvard Medical School/Dana- Farber-Cancer Institute in Boston with Prof. Gerhard Wagner and Prof. E. Reinherz (Scholarship by the Swiss National Funds).
1994 - 1997 - Postdoctoral fellow in the group of Prof. Dr. A. Plückthun, Biochemical Institute of the University of Zürich/Switzerland.

Coordinating functions and editorial work

2022 – present Speaker of the DFG Collaborative Research Center SFB/Transregio 186

2022 – present Head of the steering committee of the BioSupraMol facility at the Department of Biology, Chemistry and Pharmacology, FU Berlin

2019 – present Coordinator (with Nevan Krogan, QBI, UC San Francisco) of the FU Berlin-UCSF Collaborative Research Initiative

Since 2019 - Coordinator (with Nevan Krogan, QBI, UC San Francisco) of the FU Berlin- UCSF Collaborative Initiative
2016 - present - Founding member and Vice-chair of the DFG Collaborative Research Centre SFB/TRR 186 (Heidelberg/Berlin) “Molecular Switches in the Spatio- Temporal Control of Cellular Signal Transmission”
2016 - present - Editorial board member at “Scientific Reports”
2010 - 2013 - Spokesman (together with Prof. Hartmut Oschkinat) of the Forschergruppe "Interfering with intracellular protein-protein interactions-probing protein functions with small molecules" (FG 806).
2008 - 2009 - Spokesman of the “Zukunftsforum” of the Dechema (Gesellschaft für Chemische Technik und Biotechnologie e. V.).

Most important publications

 

  1. Abualrous, E. T., Stolzenberg, S., Sticht, J., Wieczorek, M., Roske, Y., Günther, M., Dähn, S., Boesen, B. B., Calvo, M. M., Biese, C., Kuppler, F., Medina-García, Á., Álvaro-Benito, M., Höfer, T., Noé, F. & Freund, C. MHC-II dynamics are maintained in HLA-DR allotypes to ensure catalyzed peptide exchange. Nature Chemical Biology 19, 1196-1204 (2023). https://doi.org/10.1038/s41589-023-01316-3
  2. Lan, H., Abualrous, E. T., Sticht, J., Fernandez, L. M. A., Werk, T., Weise, C., Ballaschk, M., Schmieder, P., Loll, B. & Freund, C. Exchange catalysis by tapasin exploits conserved and allele-specific features of MHC-I molecules. Nature Communications 12, 4236 (2021). https://doi.org/10.1038/s41467-021-24401-4
  3. Vardar, G., Gerth, F., Schmitt, X. J., Rautenstrauch, P., Trimbuch, T., Schubert, J., Lerche, H., Rosenmund, C. & Freund, C. Epilepsy-causing STX1B mutations translate altered protein functions into distinct phenotypes in mouse neurons. Brain 143, 2119-2138 (2020). https://doi.org/10.1093/brain/awaa151
  4. Morrison, E., Wegner, T., Zucchetti, A. E., Álvaro-Benito, M., Zheng, A., Kliche, S., Krause, E.,  Brügger, B., Hivroz, C. & Freund, C. Dynamic palmitoylation events following T-cell receptor signaling. Communications Biology 3, 368 (2020).  https://doi.org/10.1038/s42003-020-1063-5
  5. Álvaro-Benito, M., Morrison, E., Ebner, F., Abualrous, E. T., Urbicht, M., Wieczorek, M. & Freund, C. Distinct editing functions of natural HLA-DM allotypes impact antigen presentation and CD4+ T cell activation. Cellular & Molecular Immunology 17, 133-142 (2020). https://doi.org/10.1038/s41423-018-0181-1
  6. Gerth, F., Jäpel, M., Pechstein, A., Kochlamazashvili, G., Lehmann, M., Puchkov, D., Onofri, F., Benfenati, F., Nikonenko, A. G., Fredrich, K., Shupliakov, O., Maritzen, T., Freund, C. & Haucke, V. Intersectin associates with synapsin and regulates its nanoscale localization and function. Proceedings of the National Academy of Sciences 114, 12057-12062 (2017). https://doi.org/10.1073/pnas.1715341114
  7. Henning, L. M., Santos, K. F., Sticht, J., Jehle, S., Lee, C.-T., Wittwer, M., Urlaub, H., Stelzl, U., Wahl, M. C. & Freund, C. A new role for FBP21 as regulator of Brr2 helicase activity. Nucleic Acids Research 45, 7922-7937 (2017). https://doi.org/10.1093/nar/gkx535
  8. Wieczorek, M., Sticht, J., Stolzenberg, S., Günther, S., Wehmeyer, C., El Habre, Z., Álvaro-Benito, M., Noé, F. & Freund, C. MHC class II complexes sample intermediate states along the peptide exchange pathway. Nature Communications 7, 13224 (2016). https://doi.org/10.1038/ncomms13224
  9. Kuropka, B., Witte, A., Sticht, J., Waldt, N., Majkut, P., Hackenberger, C. P. R., Schraven, B., Krause, E., Kliche, S. & Freund, C. Analysis of Phosphorylation-dependent Protein Interactions of Adhesion and Degranulation Promoting Adaptor Protein (ADAP) Reveals Novel Interaction Partners Required for Chemokine-directed T cell Migration*. Molecular & Cellular Proteomics 14, 2961-2972 (2015). https://doi.org/10.1074/mcp.M115.048249
  10. Günther, S., Schlundt, A., Sticht, J., Roske, Y., Heinemann, U., Wiesmüller, K.-H., Jung, G., Falk, K., Rötzschke, O. & Freund, C. Bidirectional binding of invariant chain peptides to an MHC class II molecule. Proceedings of the National Academy of Sciences 107, 22219-22224 (2010).  https://doi.org/10.1073/pnas.1014708107