scholarly journals Consensus structures of the Mo(v) sites of sulfite-oxidizing enzymes derived from variable frequency pulsed EPR spectroscopy, isotopic labelling and DFT calculations

2017 ◽  
Vol 46 (39) ◽  
pp. 13202-13210 ◽  
Author(s):  
John H. Enemark
Keyword(s):  
Dft Calculations ◽  
Epr Spectroscopy ◽  
Sulfite Oxidase ◽  
Variable Frequency ◽  
Isotopic Labelling ◽  
Pulsed Epr

The “blocked” form of sulfite oxidase has O-bound sulfite, and only the coordinated and remote O atoms exchange with H217O.

scholarly journals Studies of the Mo(V) center of the Y343F mutant of human sulfite oxidase by variable frequency pulsed EPR spectroscopy

2008 ◽  
Vol 361 (4) ◽  
pp. 941-946 ◽  
Author(s):  
Arnold M. Raitsimring ◽  
Andrei V. Astashkin ◽  
Changjian Feng ◽  
Heather L. Wilson ◽  
K.V. Rajagopalan ◽  
...  
Keyword(s):  
Epr Spectroscopy ◽  
Sulfite Oxidase ◽  
Variable Frequency ◽  
Pulsed Epr ◽  
Human Sulfite Oxidase

scholarly journals Implications for the mechanism of sulfite oxidizing enzymes from pulsed EPR spectroscopy and DFT calculations for “difficult” nuclei

2011 ◽  
Vol 148 ◽  
pp. 249-267 ◽  
Author(s):  
John H. Enemark ◽  
Arnold M. Raitsimring ◽  
Andrei V. Astashkin ◽  
Eric L. Klein
Keyword(s):  
Dft Calculations ◽  
Epr Spectroscopy ◽  
Pulsed Epr

scholarly journals Structural Studies of the Molybdenum Center of the Pathogenic R160Q Mutant of Human Sulfite Oxidase by Pulsed EPR Spectroscopy and17O and33S Labeling

2008 ◽  
Vol 130 (26) ◽  
pp. 8471-8480 ◽  
Author(s):  
Andrei V. Astashkin ◽  
Kayunta Johnson-Winters ◽  
Eric L. Klein ◽  
Changjian Feng ◽  
Heather L. Wilson ◽  
...  
Keyword(s):  
Epr Spectroscopy ◽  
Sulfite Oxidase ◽  
Structural Studies ◽  
Pulsed Epr ◽  
Human Sulfite Oxidase

Structures of the Mo(V) Forms of Sulfite Oxidase fromArabidopsis thalianaby Pulsed EPR Spectroscopy†

Biochemistry ◽  
2005 ◽  
Vol 44 (40) ◽  
pp. 13274-13281 ◽  
Author(s):  
Andrei V. Astashkin ◽  
Brian L. Hood ◽  
Changjian Feng ◽  
Russ Hille ◽  
Ralf R. Mendel ◽  
...  
Keyword(s):  
Epr Spectroscopy ◽  
Sulfite Oxidase ◽  
Pulsed Epr

scholarly journals Determination of the Distance between the Mo(V) and Fe(III) Heme Centers of Wild Type Human Sulfite Oxidase by Pulsed EPR Spectroscopy

2012 ◽  
Vol 116 (6) ◽  
pp. 1942-1950 ◽  
Author(s):  
Andrei V. Astashkin ◽  
Asha Rajapakshe ◽  
Matthew J. Cornelison ◽  
Kayunta Johnson-Winters ◽  
John H. Enemark
Keyword(s):  
Epr Spectroscopy ◽  
Sulfite Oxidase ◽  
Wild Type ◽  
Pulsed Epr ◽  
Human Sulfite Oxidase

scholarly journals Aminoxyl Radicals of B/P Frustrated Lewis Pairs: Refinement of the Spin-Hamiltonian Parameters by Field- and Temperature-Dependent Pulsed EPR Spectroscopy

PLoS ONE ◽  
2016 ◽  
Vol 11 (6) ◽  
pp. e0157944 ◽  
Author(s):  
Marcos de Oliveira ◽  
Robert Knitsch ◽  
Muhammad Sajid ◽  
Annika Stute ◽  
Lisa-Maria Elmer ◽  
...  
Keyword(s):  
Epr Spectroscopy ◽  
Spin Hamiltonian ◽  
Frustrated Lewis Pairs ◽  
Temperature Dependent ◽  
Pulsed Epr ◽  
Hamiltonian Parameters ◽  
Aminoxyl Radicals ◽  
Lewis Pairs

scholarly journals Structural Studies of Membrane Proteins using Pulsed EPR Spectroscopy

2019 ◽  
Vol 116 (3) ◽  
pp. 56a
Author(s):  
Gary A. Lorigan ◽  
Indra D. Sahu ◽  
Daniel L. Drew ◽  
Gunjan Dixit ◽  
Tanbir Ahammad
Keyword(s):  
Membrane Proteins ◽  
Epr Spectroscopy ◽  
Structural Studies ◽  
Pulsed Epr

Two-dimensional 67Zn HYSCORE spectroscopy reveals that a Zn-bacteriochlorophyll aP′ dimer is the primary donor (P840) in the type-1 reaction centers of Chloracidobacterium thermophilum

2020 ◽  
Vol 22 (11) ◽  
pp. 6457-6467 ◽  
Author(s):  
Philip Charles ◽  
Vidmantas Kalendra ◽  
Zhihui He ◽  
Mohammad Hassan Khatami ◽  
John H. Golbeck ◽  
...  
Keyword(s):  
Epr Spectroscopy ◽  
Isotopic Labeling ◽  
Reaction Centers ◽  
Two Dimensional ◽  
Pulsed Epr ◽  
Primary Donor

Using pulsed EPR spectroscopy and isotopic labeling we demonstrate that reaction centers of Chloracidobacterium thermophilum have an unusual primary donor that is a dimer of Zn-bacteriochlorophyll aP′ molecules.

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