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Charles Scholes

Research Profile

Procedures

Electron Spin Resonance Spectroscopy

Living Beings

Rhodobacter sphaeroides

Chemicals & Drugs

Concepts & Ideas

Phenomena

Oxidation-Reduction

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Publications

TOP 3
Yan Sun; Ziwei Zhang; Keith A Earle; Jack H Freed; Vladimir M Grigoryants; Fei Liu; William K Myers; Charles P Scholes
The internal dynamics of mini c TAR DNA probed by electron paramagnetic resonance of nitroxide spin-labels at the lower stem, the loop, and the bulge.
Elka R Georgieva; Vladimir M Grigoryants; Aritro S Roy; Charles P Scholes; Peter P Borbat; Keith A Earle; Jack H Freed
Effect of freezing conditions on distances and their distributions derived from Double Electron Electron Resonance (DEER): a study of doubly-spin-labeled T4 lysozyme.
Iain L McConnell; William K Myers; Charles P Scholes; James W Whittaker; Ping-Yu Chen; Vladimir M Grigoryants; Gary W Brudvig
EPR-ENDOR characterization of (17O, 1H, 2H) water in manganese catalase and its relevance to the oxygen-evolving complex of photosystem II.

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All Publications

2012: Yan Sun; Ziwei Zhang; Keith A Earle; Jack H Freed; Vladimir M Grigoryants; Fei Liu; William K Myers; Charles P Scholes
The internal dynamics of mini c TAR DNA probed by electron paramagnetic resonance of nitroxide spin-labels at the lower stem, the loop, and the bulge.
Biochemistry 2012;51(43):8530-41.
2012: Elka R Georgieva; Vladimir M Grigoryants; Aritro S Roy; Charles P Scholes; Peter P Borbat; Keith A Earle; Jack H Freed
Effect of freezing conditions on distances and their distributions derived from Double Electron Electron Resonance (DEER): a study of doubly-spin-labeled T4 lysozyme.
Journal of magnetic resonance (San Diego, Calif. : 1997) 2012;216():69-77.
2012: Iain L McConnell; William K Myers; Charles P Scholes; James W Whittaker; Ping-Yu Chen; Vladimir M Grigoryants; Gary W Brudvig
EPR-ENDOR characterization of (17O, 1H, 2H) water in manganese catalase and its relevance to the oxygen-evolving complex of photosystem II.
Journal of the American Chemical Society 2012;134(3):1504-12.
2009: Byunghoon Lee; Oleg M Usov; Vladimir M Grigoryants; William K Myers; James P Shapleigh; Charles P Scholes
The role of arginine-127 at the proximal NO-binding site in determining the electronic structure and function of 5-coordinate NO-heme in cytochrome c' of Rhodobacter sphaeroides.
Biochemistry 2009;48(38):8985-93.
2009: Somdatta Ghosh; Xiangjin Xie; Abhishek Dey; Yan Sun; Charles P Scholes; Edward I Solomon
Thermodynamic equilibrium between blue and green copper sites and the role of the protein in controlling function.
Proceedings of the National Academy of Sciences of the United States of America 2009;106(13):4969-74.
2009: Somdatta Ghosh; Abhishek Dey; Yan Sun; Charles P Scholes; Edward I Solomon
Spectroscopic and computational studies of nitrite reductase: proton induced electron transfer and backbonding contributions to reactivity.
Journal of the American Chemical Society 2009;131(1):277-88.
2008: Xiangmei Xi; Yan Sun; Christine B Karim; Vladimir M Grigoryants; Charles P Scholes
HIV-1 nucleocapsid protein NCp7 and its RNA stem loop 3 partner: rotational dynamics of spin-labeled RNA stem loop 3.
Biochemistry 2008;47(38):10099-110.
2007: Oleg M Usov; Vladimir M Grigoryants; Ranitendranath Tagore; Gary W Brudvig; Charles P Scholes
Hyperfine coupling to the bridging (17)O in the di-mu-oxo core of a Mn(III)-Mn(IV) model significant to the core electronic structure of the O(2)-evolving complex in photosystem II.
Journal of the American Chemical Society 2007;129(39):11886-7.
2007: Somdatta Ghosh; Abhishek Dey; Oleg M Usov; Yan Sun; Vladimir M Grigoryants; Charles P Scholes; Edward I Solomon
Resolution of the spectroscopy versus crystallography issue for NO intermediates of nitrite reductase from Rhodobacter sphaeroides.
Journal of the American Chemical Society 2007;129(34):10310-1.
2006: Richard M Burger; Oleg M Usov; Vladimir M Grigoryants; Charles P Scholes
Cryogenic photolysis of activated bleomycin to ferric bleomycin.
The journal of physical chemistry. B 2006;110(41):20702-9.
2006: Oleg M Usov; Yan Sun; Vladimir M Grigoryants; James P Shapleigh; Charles P Scholes
EPR-ENDOR of the Cu(I)NO complex of nitrite reductase.
Journal of the American Chemical Society 2006;128(40):13102-11.
2006: Oleg M Usov; Peter S Choi; James P Shapleigh; Charles P Scholes
ENDOR of NO-ligated cytochrome c'.
Journal of the American Chemical Society 2006;128(15):5021-32.
2005: Oleg M Usov; Peter S Choi; James P Shapleigh; Charles P Scholes
ENDOR investigation of the liganding environment of mixed-spin ferric cytochrome c'.
Journal of the American Chemical Society 2005;127(26):9485-94.
2005: Peter S Choi; Vladimir M Grigoryants; Héctor D Abruña; Charles P Scholes; James P Shapleigh
Regulation and function of cytochrome c' in Rhodobacter sphaeroides 2.4.3.
Journal of bacteriology 2005;187(12):4077-85.
2003: Lipika Basumallick; Robert K Szilagyi; Yiwei Zhao; James P Shapleigh; Charles P Scholes; Edward I Solomon
Spectroscopic studies of the Met182Thr mutant of nitrite reductase: role of the axial ligand in the geometric and electronic structure of blue and green copper sites.
Journal of the American Chemical Society 2003;125(48):14784-92.
2003: Blanca Barquera; Joel E Morgan; Dmitriy Lukoyanov; Charles P Scholes; Robert B Gennis; Mark Joseph Nilges
X- and W-band EPR and Q-band ENDOR studies of the flavin radical in the Na+ -translocating NADH:quinone oxidoreductase from Vibrio cholerae.
Journal of the American Chemical Society 2003;125(1):265-75.
2002: Yiwei Zhao; Dmitriy A Lukoyanov; Yuriy V Toropov; Kenneth Wu; James P Shapleigh; Charles P Scholes
Catalytic function and local proton structure at the type 2 copper of nitrite reductase: the correlation of enzymatic pH dependence, conserved residues, and proton hyperfine structure.
Biochemistry 2002;41(23):7464-74.
2002: Dmitriy Lukoyanov; Steven M Berry; Yi Lu; William E Antholine; Charles P Scholes
Role of the coordinating histidine in altering the mixed valency of Cu(A): an electron nuclear double resonance-electron paramagnetic resonance investigation.
Biophysical journal 2002;82(5):2758-66.
2002: Thomas B Bartnikas; Yousheng Wang; Tanya Bobo; Andrei Veselov; Charles P Scholes; James P Shapleigh
Characterization of a member of the NnrR regulon in Rhodobacter sphaeroides 2.4.3 encoding a haem-copper protein.
Microbiology (Reading, England) 2002;148(Pt 3):825-33.
2001: K DeWeerd; Vladimir M Grigoryants; Y Sun; J S Fetrow; Charles P Scholes
EPR-detected folding kinetics of externally located cysteine-directed spin-labeled mutants of iso-1-cytochrome c.
Biochemistry 2001;40(51):15846-55.
2001: Dmitriy Lukoyanov; R M Burger; Charles P Scholes
ENDOR determination of the distance between bleomycin-bound iron and 19F of 2'-fluorocytidine in a DNA target sequence.
Journal of the American Chemical Society 2001;123(50):12742-3.
2000: Vladimir M Grigoryants; Andrei Veselov; Charles P Scholes
Variable velocity liquid flow EPR applied to submillisecond protein folding.
Biophysical journal 2000;78(5):2702-8.
2000: Andrei Veselov; J P Osborne; Robert B Gennis; Charles P Scholes
Q-band ENDOR (electron nuclear double resonance) of the high-affinity ubisemiquinone center in cytochrome bo3 from Escherichia coli.
Biochemistry 2000;39(11):3169-75.
2000: Andrzej Sienkiewicz; Marek Jaworski; B G Smith; Piotr G Fajer; Charles P Scholes
Dielectric resonator-based side-access probe for muscle fiber EPR study.
Journal of magnetic resonance (San Diego, Calif. : 1997) 2000;143(1):144-52.
1999: Andrzej Sienkiewicz; A M da Costa Ferreira; B Danner; Charles P Scholes
Dielectric resonator-based flow and stopped-flow EPR with rapid field scanning: A methodology for increasing kinetic information.
Journal of magnetic resonance (San Diego, Calif. : 1997) 1999;136(2):137-42.
1998: Andrei Veselov; K Olesen; Andrzej Sienkiewicz; James P Shapleigh; Charles P Scholes
Electronic structural information from Q-band ENDOR on the type 1 and type 2 copper liganding environment in wild-type and mutant forms of copper-containing nitrite reductase.
Biochemistry 1998;37(17):6095-105.
1998: K Olesen; Andrei Veselov; Y Zhao; Y Wang; B Danner; Charles P Scholes; James P Shapleigh
Spectroscopic, kinetic, and electrochemical characterization of heterologously expressed wild-type and mutant forms of copper-containing nitrite reductase from Rhodobacter sphaeroides 2.4.3.
Biochemistry 1998;37(17):6086-94.
1997: K Qu; J L Vaughn; Andrzej Sienkiewicz; Charles P Scholes; J S Fetrow
Kinetics and motional dynamics of spin-labeled yeast iso-1-cytochrome c: 1. Stopped-flow electron paramagnetic resonance as a probe for protein folding/unfolding of the C-terminal helix spin-labeled at cysteine 102.
Biochemistry 1997;36(10):2884-97.
1997: Marek Jaworski; Andrzej Sienkiewicz; Charles P Scholes
Double-stacked dielectric resonator for sensitive EPR measurements.
Journal of magnetic resonance (San Diego, Calif. : 1997) 1997;124(1):87-96.
1995: D Xing; R Dorr; Richard P Cunningham; Charles P Scholes
Endonuclease III interactions with DNA substrates. 2. The DNA repair enzyme endonuclease III binds differently to intact DNA and to apyrimidinic/apurinic DNA substrates as shown by tryptophan fluorescence quenching.
Biochemistry 1995;34(8):2537-44.
1995: S O'Handley; Charles P Scholes; Richard P Cunningham
Endonuclease III interactions with DNA substrates. 1. Binding and footprinting studies with oligonucleotides containing a reduced apyrimidinic site.
Biochemistry 1995;34(8):2528-36.
1993: X Tan; R Poyner; G H Reed; Charles P Scholes
Electron nuclear double resonance study of the Mn2+ environs in the oxalate-ATP complex of pyruvate kinase.
Biochemistry 1993;32(30):7799-810.
1992: J J Jiang; J F Bank; W W Zhao; Charles P Scholes
The method of time-resolved spin-probe oximetry: its application to oxygen consumption by cytochrome c oxidase.
Biochemistry 1992;31(5):1331-9.
1990: John Salerno; M Osgood; Y J Liu; H Taylor; Charles P Scholes
Electron nuclear double resonance (ENDOR) of the Qc.- ubisemiquinone radical in the mitochondrial electron transport chain.
Biochemistry 1990;29(30):6987-93.
1989: Richard P Cunningham; H Asahara; J F Bank; Charles P Scholes; John Salerno; K Surerus; Eckard Münck; J McCracken; Jack Peisach; M H Emptage
Endonuclease III is an iron-sulfur protein.
Biochemistry 1989;28(10):4450-5.
1988: C Fan; J F Bank; R G Dorr; Charles P Scholes
An electron nuclear double resonance investigation of redox-induced electronic structural change at CuA2+ in cytochrome c oxidase.
The Journal of biological chemistry 1988;263(8):3588-91.