- 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 (cell-cell communications).
- 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 and ligands, 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).
- More details can be found at http://lorentz.dynstr.pasteur.fr
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2019Structural evidence for an in trans base selection mechanism involving Loop1 in Polymerase mu at an NHEJ double-strand break junction., J Biol Chem. 2019 May 28. pii: jbc.RA119.008739.
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2019Rapid enzymatic synthesis of long RNA polymers: A simple protocol to generate RNA libraries with random sequences, Methods 2019 Mar 26. pii: S1046-2023(18)30279-2.
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2018Numerical Encodings of Amino Acids in Multivariate Gaussian Modeling of Protein Multiple Sequence Alignments, Molecules 2018 Dec;24(1).
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2018Electrostatics, proton sensor, and networks governing the gating transition in GLIC, a proton-gated pentameric ion channel., Proc Natl Acad Sci U S A. 2018 Dec 26;115(52):E12172-E12181..
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2018Coarse-grained dynamics of supramolecules: Conformational changes in outer shells of Dengue viruses, Prog. Biophys. Mol. Biol. 2019 May;143:20-37.
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2018Enzymatic synthesis of random sequences of RNA and RNA analogues by DNA polymerase theta mutants for the generation of aptamer libraries, Nucleic Acids Res. 2018 Jul;46(12):6271-6284.
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2018Terminal deoxynucleotidyltransferase: the story of an untemplated DNA polymerase capable of DNA bridging and templated synthesis across strands, Curr Opin Struct Biol. 2018 Apr 12;53:22-31..
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2018Structural basis for a bimodal allosteric mechanism of general anesthetic modulation in pentameric ligand-gated ion channels, Cell Rep. 2018 Apr 24;23(4):993-1004.
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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, Proc Natl Acad Sci U S A. 2018 Apr 24;115(17):E3959-E3968..
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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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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