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David Haselbach

Cells are factories full of molecular machines, fuelled by the thermal energy of the surrounding medium. Randomly impacting solution molecules force the machines to vibrate and therefore move in all directions. Only through well-placed structural features, that prohibit some of the random movements, the molecules can work productively. It is the aim of our lab to identify and understand design principles of molecular machines. We use biophysical techniques - especially cryo-electron microscopy - to watch them in action.

Publications

Haselbach, D., Komarov, I., Agafonov, DE., Hartmuth, K., Graf, B., Dybkov, O., Urlaub, H., Kastner, B., Lührmann, R., Stark, H. (2018) Structure and Conformational Dynamics of the Human Spliceosomal Bact Complex. Cell.
Bertram, K., Agafonov, DE., Dybkov, O., Haselbach, D., Leelaram, MN., Will, CL., Urlaub, H., Kastner, B., Lührmann, R., Stark, H. (2017) Cryo-EM Structure of a Pre-catalytic Human Spliceosome Primed for Activation. Cell. 170(4):701-713.e11
Haselbach, D., Schrader, J., Lambrecht, F., Henneberg, F., Chari, A., Stark, H. (2017) Long-range allosteric regulation of the human 26S proteasome by 20S proteasome-targeting cancer drugs. Nat Commun. 8:15578
Brown, NG., VanderLinden, R., Watson, ER., Weissmann, F., Ordureau, A., Wu, KP., Zhang, W., Yu, S., Mercredi, PY., Harrison, JS., Davidson, IF., Qiao, R., Lu, Y., Dube, P., Brunner, MR., Grace, CRR., Miller, DJ., Haselbach, D., Jarvis, MA., Yamaguchi, M., Yanishevski, D., Petzold, G., Sidhu, SS., Kuhlman, B., Kirschner, MW., Harper, JW., Peters, JM., Stark, H., Schulman, BA. (2016) Dual RING E3 Architectures Regulate Multiubiquitination and Ubiquitin Chain Elongation by APC/C. Cell. 165(6):1440-1453
Qiao, R., Weissmann, F., Yamaguchi, M., Brown, NG., VanderLinden, R., Imre, R., Jarvis, MA., Brunner, MR., Davidson, IF., Litos, G., Haselbach, D., Mechtler, K., Stark, H., Schulman, BA., Peters, JM. (2016) Mechanism of APC/CCDC20 activation by mitotic phosphorylation. Proc Natl Acad Sci U S A. 113(19):E2570-8
Yamaguchi, M., VanderLinden, R., Weissmann, F., Qiao, R., Dube, P., Brown, NG., Haselbach, D., Zhang, W., Sidhu, SS., Peters, JM., Stark, H., Schulman, BA. (2016) Cryo-EM of Mitotic Checkpoint Complex-Bound APC/C Reveals Reciprocal and Conformational Regulation of Ubiquitin Ligation. Mol Cell. 63(4):593-607
Chari, A., Haselbach, D., Kirves, JM., Ohmer, J., Paknia, E., Fischer, N., Ganichkin, O., Möller, V., Frye, JJ., Petzold, G., Jarvis, M., Tietzel, M., Grimm, C., Peters, JM., Schulman, BA., Tittmann, K., Markl, J., Fischer, U., Stark, H. (2015) ProteoPlex: stability optimization of macromolecular complexes by sparse-matrix screening of chemical space. Nat Methods. 12(9):859-65
Dölker, N., Blanchet, CE., Voß, B., Haselbach, D., Kappel, C., Monecke, T., Svergun, DI., Stark, H., Ficner, R., Zachariae, U., Grubmüller, H., Dickmanns, A. (2013) Structural determinants and mechanism of mammalian CRM1 allostery. Structure. 21(8):1350-60
Monecke, T., Haselbach, D., Voß, B., Russek, A., Neumann, P., Thomson, E., Hurt, E., Zachariae, U., Stark, H., Grubmüller, H., Dickmanns, A., Ficner, R. (2013) Structural basis for cooperativity of CRM1 export complex formation. Proc Natl Acad Sci U S A. 110(3):960-5
Köster, DM., Haselbach, D., Lehrach, H., Seitz, H. (2011) A DNAzyme based label-free detection system for miniaturized assays. Mol Biosyst. 7(10):2882-9