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Soft x-ray absorption spectroscopy of metalloproteins and high-valent metal-complexes at room temperature using free-electron lasers

Kubin, Markus (author)
Helmholtz Zentrum Berlin Mat & Energie GmbH, Inst Methods & Instrumentat Synchrotron Radiat Re, D-12489 Berlin, Germany.
Kern, Jan (author)
Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging Div, Berkeley, CA 94720 USA.;SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA.
Gul, Sheraz (author)
Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging Div, Berkeley, CA 94720 USA.
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Kroll, Thomas (author)
SLAC Natl Accelerator Lab, Stanford Synchrotron Radiat Lightsource, Menlo Pk, CA 94025 USA.
Chatterjee, Ruchira (author)
Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging Div, Berkeley, CA 94720 USA.
Loechel, Heike (author)
Helmholtz Zentrum Berlin Mat & Energie GmbH, Inst Nanometre Opt & Technol, D-12489 Berlin, Germany.
Fuller, Franklin D. (author)
Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging Div, Berkeley, CA 94720 USA.
Sierra, Raymond G. (author)
SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA.
Quevedo, Wilson (author)
Helmholtz Zentrum Berlin Mat & Energie GmbH, Inst Methods & Instrumentat Synchrotron Radiat Re, D-12489 Berlin, Germany.
Weniger, Christian (author)
Helmholtz Zentrum Berlin Mat & Energie GmbH, Inst Methods & Instrumentat Synchrotron Radiat Re, D-12489 Berlin, Germany.
Rehanek, Jens (author)
Helmholtz Zentrum Berlin Mat & Energie GmbH, Inst Nanometre Opt & Technol, D-12489 Berlin, Germany.;Paul Scherrer Inst, CH-5232 Villigen, Switzerland.
Firsov, Anatoly (author)
Helmholtz Zentrum Berlin Mat & Energie GmbH, Inst Nanometre Opt & Technol, D-12489 Berlin, Germany.
Laksmono, Hartawan (author)
SLAC Natl Accelerator Lab, Stanford PULSE Inst, Menlo Pk, CA 94025 USA.
Weninger, Clemens (author)
SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA.;SLAC Natl Accelerator Lab, Stanford PULSE Inst, Menlo Pk, CA 94025 USA.
Alonso-Mori, Roberto (author)
SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA.
Nordlund, Dennis L. (author)
Lassalle-Kaiser, Benedikt (author)
Synchrotron SOLEIL, F-91191 Gif Sur Yvette, France.
Glownia, James M. (author)
SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA.
Krzywinski, Jacek (author)
SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA.
Moeller, Stefan (author)
SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA.
Turner, Joshua J. (author)
SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA.
Minitti, Michael P. (author)
SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA.
Dakovski, Georgi L. (author)
SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA.
Koroidov, Sergey (author)
Umeå universitet,Kemiska institutionen,Stanford PULSE Institute, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA,SLAC Natl Accelerator Lab, Stanford PULSE Inst, Menlo Pk, CA 94025 USA.;Umea Univ, Inst Kemi, Kem Biol Ctr, SE-90187 Umea, Sweden.
Kawde, Anurag (author)
Umeå universitet,Kemiska institutionen,Umea Univ, Inst Kemi, Kem Biol Ctr, SE-90187 Umea, Sweden.
Kanady, Jacob S. (author)
CALTECH, Div Chem & Chem Engn, Pasadena, CA 91125 USA.
Tsui, Emily Y. (author)
CALTECH, Div Chem & Chem Engn, Pasadena, CA 91125 USA.
Suseno, Sandy (author)
CALTECH, Div Chem & Chem Engn, Pasadena, CA 91125 USA.,Univ Calif Irvine, Dept Chem, 1102 Nat Sci 2, Irvine, CA 92697 USA.
Han, Zhiji (author)
CALTECH, Div Chem & Chem Engn, Pasadena, CA 91125 USA.
Hill, Ethan (author)
Univ Calif Irvine, Dept Chem, 1102 Nat Sci 2, Irvine, CA 92697 USA.
Taguchi, Taketo (author)
Univ Calif Irvine, Dept Chem, 1102 Nat Sci 2, Irvine, CA 92697 USA.
Borovik, Andrew S. (author)
Univ Calif Irvine, Dept Chem, 1102 Nat Sci 2, Irvine, CA 92697 USA.
Agapie, Theodor (author)
CALTECH, Div Chem & Chem Engn, Pasadena, CA 91125 USA.
Messinger, Johannes, 1963- (author)
Umeå universitet,Uppsala universitet,Molekylär biomimetik,Umea Univ, Inst Kemi, Kem Biol Ctr, SE-90187 Umea, Sweden.;Uppsala Univ, Angstrom Lab, Mol Biomimet, Dept Chem, SE-75237 Uppsala, Sweden.,Kemiska institutionen,Department of Chemistry, Molecular Biomimetics, Ångström Laboratory, Uppsala University, SE 75237 Uppsala, Sweden
Erko, Alexei (author)
Helmholtz Zentrum Berlin Mat & Energie GmbH, Inst Nanometre Opt & Technol, D-12489 Berlin, Germany.
Foehlisch, Alexander (author)
Helmholtz Zentrum Berlin Mat & Energie GmbH, Inst Methods & Instrumentat Synchrotron Radiat Re, D-12489 Berlin, Germany.;Univ Potsdam, Inst Phys & Astron, D-14476 Potsdam, Germany.
Bergmann, Uwe (author)
SLAC Natl Accelerator Lab, Stanford PULSE Inst, Menlo Pk, CA 94025 USA.
Mitzner, Rolf (author)
Helmholtz Zentrum Berlin Mat & Energie GmbH, Inst Methods & Instrumentat Synchrotron Radiat Re, D-12489 Berlin, Germany.
Yachandra, Vittal K. (author)
Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging Div, Berkeley, CA 94720 USA.
Yano, Junko (author)
Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging Div, Berkeley, CA 94720 USA.
Wernet, Philippe, 1971- (author)
Helmholtz Zentrum Berlin Mat & Energie GmbH, Inst Methods & Instrumentat Synchrotron Radiat Re, D-12489 Berlin, Germany.
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Helmholtz Zentrum Berlin Mat & Energie GmbH, Inst Methods & Instrumentat Synchrotron Radiat Re, D-12489 Berlin, Germany Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging Div, Berkeley, CA 94720 USA.;SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA. (creator_code:org_t)
AMER INST PHYSICS, 2017
2017
English.
In: Structural Dynamics. - : AMER INST PHYSICS. - 2329-7778. ; 4:5
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • X-ray absorption spectroscopy at the L-edge of 3d transition metals provides unique information on the local metal charge and spin states by directly probing 3d-derived molecular orbitals through 2p-3d transitions. However, this soft x-ray technique has been rarely used at synchrotron facilities for mechanistic studies of metalloenzymes due to the difficulties of x-ray-induced sample damage and strong background signals from light elements that can dominate the low metal signal. Here, we combine femtosecond soft x-ray pulses from a free-electron laser with a novel x-ray fluorescence-yield spectrometer to overcome these difficulties. We present L-edge absorption spectra of inorganic high-valent Mn complexes (Mn similar to 6-15 mmol/l) with no visible effects of radiation damage. We also present the first L-edge absorption spectra of the oxygen evolving complex (Mn4CaO5) in Photosystem II (Mn < 1 mmol/l) at room temperature, measured under similar conditions. Our approach opens new ways to study metalloenzymes under functional conditions. (C) 2017 Author(s).

Subject headings

NATURVETENSKAP  -- Kemi -- Fysikalisk kemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences -- Physical Chemistry (hsv//eng)

Keyword

Chemistry with specialization in Inorganic Chemistry
Kemi med inriktning mot oorganisk kemi

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