Metalloenzymes and Spin Systems in Cells

Publications

Tabares, Leandro C., Davis T. Daniel, José Luis Vázquez-Ibar, Cyrille Kouklovsky, Valérie Alezra, and Sun Un. 2023. “Using the Noncanonical Metallo-Amino Acid [Cu(II)(2,2’-Bipyridin-5-Yl)]-Alanine to Study the Structures of Proteins.” The Journal of Physical Chemistry Letters, March, 3368–75. https://doi.org/10.1021/acs.jpclett.3c00196.

Un, Sun, Sebastian de Graaf, Patrice Bertet, Sergey Kubatkin, and Andrey Danilov. 2022. “On the Nature of Decoherence in Quantum Circuits: Revealing the Structural Motif of the Surface Radicals in α-Al2O3.” Science Advances 8 (14): eabm6169. https://doi.org/10.1126/sciadv.abm6169.

Bonetta, Rosalin, Gary J. Hunter, Chi H. Trinh, Tomasz Borowski, Anthony G. Fenech, Maria Kulp, Leandro C. Tabares, Sun Un, and Thérèse Hunter. 2021. “Substitution of Histidine 30 by Asparagine in Manganese Superoxide Dismutase Alters Biophysical Properties and Supports Proliferation in a K562 Leukemia Cell Line.” European Biophysics Journal 50 (3): 571–85. https://doi.org/10.1007/s00249-021-01544-2.

Demay-Drouhard, Paul, H. Y. Vincent Ching, Christophe Decroos, Regis Guillot, Yun Li, Leandro C. Tabares, Clotilde Policar, Helene C. Bertrand, and Sun Un. 2020. “Understanding Theg-Tensors of Perchlorotriphenylmethyl and Finland-Type Trityl Radicals.” Physical Chemistry Chemical Physics 22 (36): 20792–800. https://doi.org/10.1039/d0cp03626a.

Barwinska-Sendra, Anna, Yuritzi M. Garcia, Kacper M. Sendra, Arnaud Basle, Eilidh S. Mackenzie, Emma Tarrant, Patrick Card, et al. 2020. “An Evolutionary Path to Altered Cofactor Specificity in a Metalloenzyme.” Nature Communications 11 (1): 2738. https://doi.org/10.1038/s41467-020-16478-0.

Nagel, Manuela, Charlotte E. Seal, Louise Colville, Axel Rodenstein, Sun Un, Josefine Richter, Hugh W. Pritchard, Andreas Börner, and Ilse Kranner. 2019. “Wheat Seed Ageing Viewed through the Cellular Redox Environment and Changes in PH.” Free Radical Research 53 (6): 641–54. https://doi.org/10.1080/10715762.2019.1620226.

Strianese, Maria, Gottfried J. Palm, David Kohlhause, Lionel A. Ndamba, Leandro C. Tabares, and Claudio Pellecchia. 2019. “Azurin and HS-: Towards Implementation of a Sensor for HS- Detection.” European Journal of Inorganic Chemistry, no. 6 (February): 885–91. https://doi.org/10.1002/ejic.201801399.

Leach, Sydney, Nykola C. Jones, Soren V. Hoffmann, and Sun Un. 2019. “Isoquinoline Gas-Phase Absorption Spectrum in the Vacuum Ultraviolet between 3.7 and 10.7 EV. New Valence and Rydberg Electronic States.” Rsc Advances 9 (9): 5121–41. https://doi.org/10.1039/c8ra09725a.

Litvinov, Aleksei, Akiva Feintuch, Sun Un, and Daniella Goldfarb. 2018. “Triple Resonance EPR Spectroscopy Determines the Mn2+ Coordination to ATP.” Journal of Magnetic Resonance 294 (September): 143–52. https://doi.org/10.1016/j.jmr.2018.07.007.

Leach, Sydney, Nykola C. Jones, Søren V. Hoffmann, and Sun Un. 2018. “VUV Absorption Spectra of Gas-Phase Quinoline in the 3.5-10.7 EV Photon Energy Range.” The Journal of Physical Chemistry. A 122 (27): 5832–47. https://doi.org/10.1021/acs.jpca.8b04629.

Barwinska-Sendra, Anna, Arnaud Baslé, Kevin J. Waldron, and Sun Un. 2018. “A Charge Polarization Model for the Metal-Specific Activity of Superoxide Dismutases.” Physical Chemistry Chemical Physics: PCCP 20 (4): 2363–72. https://doi.org/10.1039/c7cp06829h.

Akhmetzyanov, D., H. Y. V. Ching, V. Denysenkov, P. Demay-Drouhard, H. C. Bertrand, L. C. Tabares, C. Policar, T. F. Prisner, and S. Un. 2016. “RIDME Spectroscopy on High-Spin Mn(2+) Centers.” Physical Chemistry Chemical Physics: PCCP 18 (44): 30857–66. https://doi.org/10.1039/c6cp05239h.

Mascali, Florencia C., H. Y. Vincent Ching, Rodolfo M. Rasia, Sun Un, and Leandro C. Tabares. 2016. “Using Genetically Encodable Self-Assembling Gd(III) Spin Labels To Make In-Cell Nanometric Distance Measurements.” Angewandte Chemie International Edition 55 (37): 11041–43. https://doi.org/10.1002/anie.201603653.

Demay-Drouhard, Paul, H. Y. Vincent Ching, Dmitry Akhmetzyanov, Régis Guillot, Leandro C. Tabares, Hélène C. Bertrand, and Clotilde Policar. 2016. “A Bis-Manganese(II)-DOTA Complex for Pulsed Dipolar Spectroscopy.” Chemphyschem: A European Journal of Chemical Physics and Physical Chemistry 17 (13): 2066–78. https://doi.org/10.1002/cphc.201600234.

Ching, H. Y. Vincent, Florencia C. Mascali, Hélène C. Bertrand, Eduardo M. Bruch, Paul Demay-Drouhard, Rodolfo M. Rasia, Clotilde Policar, Leandro C. Tabares, and Sun Un. 2016. “The Use of Mn(II) Bound to His-Tags as Genetically Encodable Spin-Label for Nanometric Distance Determination in Proteins.” The Journal of Physical Chemistry Letters 7 (6): 1072–76. https://doi.org/10.1021/acs.jpclett.6b00362.

Bruch, Eduardo M., Melissa T. Warner, Sébastien Thomine, Leandro C. Tabares, and Sun Un. 2015. “Pulse Electron Double Resonance Detected Multinuclear NMR Spectra of Distant and Low Sensitivity Nuclei and Its Application to the Structure of Mn(II) Centers in Organisms.” The Journal of Physical Chemistry B 119 (43): 13515–23. https://doi.org/10.1021/acs.jpcb.5b01624.

Bruch, E. M., A. de Groot, S. Un, and L. C. Tabares. 2015. “The Effect of Gamma-Ray Irradiation on the Mn(II) Speciation in Deinococcus Radiodurans and the Potential Role of Mn(II)-Orthophosphates.” Metallomics: Integrated Biometal Science 7 (5): 908–16. https://doi.org/10.1039/c5mt00009b.

Un, Sun, and Eduardo M. Bruch. 2015. “How Bonding in Manganous Phosphates Affects Their Mn(II)-(31)P Hyperfine Interactions.” Inorganic Chemistry 54 (21): 10422–28. https://doi.org/10.1021/acs.inorgchem.5b01864.

Vincent Ching, H. Y., Paul Demay-Drouhard, Hélène C. Bertrand, Clotilde Policar, Leandro C. Tabares, and Sun Un. 2015. “Nanometric Distance Measurements between Mn(Ii)DOTA Centers.” Phys. Chem. Chem. Phys. 17 (36): 23368–77. https://doi.org/10.1039/C5CP03487F.

Bruch, E. M., S. Thomine, L. C. Tabares, and S. Un. 2015. “Variations in Mn(II) Speciation among Organisms: What Makes D. Radiodurans Different.” Metallomics 7 (1): 136–44. https://doi.org/10.1039/C4MT00265B.