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Search: onr:"swepub:oai:DiVA.org:kth-306397" > Effects of x-ray fr...

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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00006709naa a2200673 4500
001oai:DiVA.org:kth-306397
003SwePub
008211216s2021 | |||||||||||000 ||eng|
009oai:DiVA.org:uu-461984
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3063972 URI
0247 a https://doi.org/10.1063/4.00001302 DOI
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4619842 URI
040 a (SwePub)kthd (SwePub)uu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
1001 a Fransson, Thomasu KTH,Teoretisk kemi och biologi,KTH Royal Inst Technol, Dept Theoret Chem & Biol, Stockholm, Sweden.4 aut0 (Swepub:kth)u1omt38n
2451 0a Effects of x-ray free-electron laser pulse intensity on the Mn K beta(1,3) x-ray emission spectrum in photosystem II-A case study for metalloprotein crystals and solutions
264 1b AIP Publishing,c 2021
338 a print2 rdacarrier
500 a QC 20211216
520 a In the last ten years, x-ray free-electron lasers (XFELs) have been successfully employed to characterize metalloproteins at room temperature using various techniques including x-ray diffraction, scattering, and spectroscopy. The approach has been to outrun the radiation damage by using femtosecond (fs) x-ray pulses. An example of an important and damage sensitive active metal center is the Mn4CaO5 cluster in photosystem II (PS II), the catalytic site of photosynthetic water oxidation. The combination of serial femtosecond x-ray crystallography and K beta x-ray emission spectroscopy (XES) has proven to be a powerful multimodal approach for simultaneously probing the overall protein structure and the electronic state of the Mn4CaO5 cluster throughout the catalytic (Kok) cycle. As the observed spectral changes in the Mn4CaO5 cluster are very subtle, it is critical to consider the potential effects of the intense XFEL pulses on the K beta XES signal. We report here a systematic study of the effects of XFEL peak power, beam focus, and dose on the Mn K beta(1,3) XES spectra in PS II over a wide range of pulse parameters collected over seven different experimental runs using both microcrystal and solution PS II samples. Our findings show that for beam intensities ranging from & SIM;5 x 10(15) to 5 x 10(17) W/cm(2) at a pulse length of & SIM;35 fs, the spectral effects are small compared to those observed between S-states in the Kok cycle. Our results provide a benchmark for other XFEL-based XES studies on metalloproteins, confirming the viability of this approach.& nbsp;
650 7a NATURVETENSKAPx Fysikx Atom- och molekylfysik och optik0 (SwePub)103022 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Atom and Molecular Physics and Optics0 (SwePub)103022 hsv//eng
7001 a Alonso-Mori, Robertou SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA.4 aut
7001 a Chatterjee, Ruchirau Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging Div, Berkeley, CA 94720 USA.4 aut
7001 a Cheah, Mun Honu Uppsala universitet,Molekylär biomimetik4 aut0 (Swepub:uu)munch343
7001 a Ibrahim, Mohamedu Humboldt Univ, Dept Biol, D-10099 Berlin, Germany.4 aut
7001 a Hussein, Ranau Humboldt Univ, Dept Biol, D-10099 Berlin, Germany.4 aut
7001 a Zhang, Miaou Humboldt Univ, Dept Biol, D-10099 Berlin, Germany.4 aut
7001 a Fuller, Franklinu SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA.4 aut
7001 a Gul, Sherazu Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging Div, Berkeley, CA 94720 USA.4 aut
7001 a Kim, In-Siku Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging Div, Berkeley, CA 94720 USA.4 aut
7001 a Simon, Philipp S.u 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.4 aut
7001 a Bogacz, Isabelu Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging Div, Berkeley, CA 94720 USA.4 aut
7001 a Makita, Hirokiu Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging Div, Berkeley, CA 94720 USA.4 aut
7001 a de Lichtenberg, Casperu Uppsala universitet,Molekylär biomimetik,Umeå Univ, Dept Chem, SE-90187 Umeå, Sweden.;Univ Copenhagen, Sect Biomol Sci, Dept Biol, DK-2200 Copenhagen N, Denmark.4 aut0 (Swepub:uu)casde246
7001 a Song, Sanghoonu SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA.4 aut
7001 a Batyuk, Alexanderu SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA.4 aut
7001 a Sokaras, Dimosthenisu SLAC Natl Accelerator Lab, Stanford Synchrotron Radiat Lightsource, Menlo Pk, CA 94025 USA.4 aut
7001 a Massad, Ramziu Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging Div, Berkeley, CA 94720 USA.4 aut
7001 a Doyle, Margaretu Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging Div, Berkeley, CA 94720 USA.4 aut
7001 a Britz, Alexanderu 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.4 aut
7001 a Weninger, Clemensu Lund Univ, MAX Lab 4, Lund, Sweden.4 aut
7001 a Zouni, Athinau Humboldt Univ, Dept Biol, D-10099 Berlin, Germany.4 aut
7001 a Messinger, Johannes,d 1963-u Uppsala universitet,Molekylär biomimetik,Umeå Univ, Dept Chem, SE-90187 Umeå, Sweden.4 aut0 (Swepub:uu)johme269
7001 a Yachandra, Vittal K.u Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging Div, Berkeley, CA 94720 USA.4 aut
7001 a Yano, Junkou Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging Div, Berkeley, CA 94720 USA.4 aut
7001 a Kern, Janu Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging Div, Berkeley, CA 94720 USA.4 aut
7001 a Bergmann, Uweu Univ Wisconsin, Dept Phys, Madison, WI 53706 USA.4 aut
7102 a KTHb Teoretisk kemi och biologi4 org
7730 t Structural Dynamicsd : AIP Publishingg 8:6q 8:6x 2329-7778
8564 u https://doi.org/10.1063/4.0000130y Fulltext
8564 u https://aca.scitation.org/doi/pdf/10.1063/4.0000130
8564 u https://uu.diva-portal.org/smash/get/diva2:1621494/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-306397
8564 8u https://doi.org/10.1063/4.0000130
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-461984

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