- We use biophysical experimental techniques such as crystallography and cryo-EM to visualize at the atomic level the structure of molecules essential to life, such as DNA polymerases involved in DNA Repair and Cancer and ion channels involved in electric nerve signalling.
- We complement them with molecular and normal modes dynamics, so as to go beyond the essentially static pictures given by these methods.
- We also try to better understand the electrostatics of macromolecules and their interaction with the solvent, in order to be able to predict their binding properties.
- Our main goal is to design structure-inspired drugs (pharmacology) and re-design active site(s) to make them accept other substrates (synthetic biology).
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Projects
Transversal Project
Software
Fundings
Publications
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2018Terminal deoxynucleotidyltransferase: the story of an untemplated DNA polymerase capable of DNA bridging and templated synthesis across strands, in press.
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2018Structural basis for a bimodal allosteric mechanism of general anesthetic modulation in pentameric ligand-gated ion channels, in press.
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2018Crystal structures of a pentameric ion channel gated by alkaline pH show a widely open pore and identify a cavity for modulation, in press.
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2017Full mutational mapping of titratable residues helps to identify proton-sensors involved in the control of channel gating in the Gloeobacter violaceus pentameric ligand-gated ion channel., PLoS Biol. 2017 15(12):e2004470..
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2017Ab initio sampling of transition paths by Conditioned Langevin Dynamics, J Chem Phys. 2017 Oct 21;147(15):152703..
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2017The Renormalization Group and Its Applications to Generating Coarse-Grained Models of Large Biological Molecular Systems., J Chem Theory Comput. 2017 Mar 14;13(3):1424-1438..
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2017Barbiturates Bind in the GLIC Ion Channel Pore and Cause Inhibition by Stabilizing a Closed State, J Biol Chem. 2017 Feb 3;292(5):1550-1558..
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2016Comparative Normal Mode Analysis of the Dynamics of DENV and ZIKV Capsids, Front Mol Biosci 2016;3:85.
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2016Structural Basis for a New Templated Activity by Terminal Deoxynucleotidyl Transferase: Implications for V(D)J Recombination., Structure. 2016 24(9):1452-63.
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2016Shared active site architecture between archaeal PolD and multi-subunit RNA polymerases revealed by X-ray crystallography., Nat Commun. 2016 Aug 22;7:12227.
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Contact
Marie de Tarragon
Phone: Ext. 86 96
Email: marie.de-tarragon@pasteur.fr
Address
Unite de Dynamique Structurales des Macromolecules Biologiques
25-28 Rue du Docteur Roux
75015, Paris
France