Publications by authors named "Roman Davydov"

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Proton transfer during reduction of the catalytic metallo-cofactors of the three nitrogenase isozymes.
Roman Davydov, Dmitriy A Lukoyanov, Derek F Harris, Dennis R Dean, Lance C Seefeldt

Chem Sci· October 2025

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New Methodology of Human Health Express Diagnostics Based on Pulse Wave Measurements and Occlusion Test.
Roman Davydov, Anna Zaitceva, Vadim Davydov, Daria Isakova, Maria Mazing

J Pers Med· February 2023

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End-On Copper(I) Superoxo and Cu(II) Peroxo and Hydroperoxo Complexes Generated by Cryoreduction/Annealing and Characterized by EPR/ENDOR Spectroscopy.
Roman Davydov, Austin E Herzog, Richard J Jodts, Kenneth D Karlin, Brian M Hoffman

J Am Chem Soc· January 2022

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An Engineered Glutamate in Biosynthetic Models of Heme-Copper Oxidases Drives Complete Product Selectivity by Tuning the Hydrogen-Bonding Network.
Igor D Petrik, Roman Davydov, Maximilian Kahle, Braddock Sandoval, Sudharsan Dwaraknath

Biochemistry· February 2021

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Spectroscopic Description of the E State of Mo Nitrogenase Based on Mo and Fe X-ray Absorption and Mössbauer Studies.
Casey Van Stappen, Roman Davydov, Zhi-Yong Yang, Ruixi Fan, Yisong Guo

Inorg Chem· September 2019

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Short-lived neutral FMN and FAD semiquinones are transient intermediates in cryo-reduced yeast NADPH-cytochrome P450 reductase.
Roman M Davydov, Gareth Jennings, Brian M Hoffman, Larissa M Podust

Arch Biochem Biophys· September 2019

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Exploring Electron/Proton Transfer and Conformational Changes in the Nitrogenase MoFe Protein and FeMo-cofactor Through Cryoreduction/EPR Measurements.
Roman Davydov, Nimesh Khadka, Zhi-Yong Yang, Andrew J Fielding, Dmitriy Lukoyanov

Isr J Chem· October 2016

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Spectroscopic and Crystallographic Evidence for the Role of a Water-Containing H-Bond Network in Oxidase Activity of an Engineered Myoglobin.
Igor D Petrik, Roman Davydov, Matthew Ross, Xuan Zhao, Brian Hoffman

J Am Chem Soc· February 2016

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Role of the Proximal Cysteine Hydrogen Bonding Interaction in Cytochrome P450 2B4 Studied by Cryoreduction, Electron Paramagnetic Resonance, and Electron-Nuclear Double Resonance Spectroscopy.
Roman Davydov, Sangchoul Im, Muralidharan Shanmugam, William A Gunderson, Naw May Pearl

Biochemistry· February 2016

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Comparison of the Mechanisms of Heme Hydroxylation by Heme Oxygenases-1 and -2: Kinetic and Cryoreduction Studies.
Roman Davydov, Angela S Fleischhacker, Ireena Bagai, Brian M Hoffman, Stephen W Ragsdale

Biochemistry· January 2016

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Evidence That Compound I Is the Active Species in Both the Hydroxylase and Lyase Steps by Which P450scc Converts Cholesterol to Pregnenolone: EPR/ENDOR/Cryoreduction/Annealing Studies.
Roman Davydov, Natallia Strushkevich, David Smil, Aliaksei Yantsevich, Andrey Gilep

Biochemistry· December 2015

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Enzymatic and cryoreduction EPR studies of the hydroxylation of methylated N(ω)-hydroxy-L-arginine analogues by nitric oxide synthase from Geobacillus stearothermophilus.
Roman Davydov, Kristin Jansen Labby, Sarah E Chobot, Dmitriy A Lukoyanov, Brian R Crane

Biochemistry· October 2014

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Electron paramagnetic resonance and electron-nuclear double resonance studies of the reactions of cryogenerated hydroperoxoferric-hemoprotein intermediates.
Roman Davydov, Mikhail Laryukhin, Amy Ledbetter-Rogers, Masanori Sono, John H Dawson

Biochemistry· August 2014

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Generation of high-spin iron(I) in a protein environment using cryoreduction.
Roman M Davydov, Matthew P McLaughlin, Eckhard Bill, Brian M Hoffman, Patrick L Holland

Inorg Chem· July 2013

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The use of deuterated camphor as a substrate in (1)H ENDOR studies of hydroxylation by cryoreduced oxy P450cam provides new evidence of the involvement of compound I.
Roman Davydov, John H Dawson, Roshan Perera, Brian M Hoffman

Biochemistry· January 2013

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Compound I is the reactive intermediate in the first monooxygenation step during conversion of cholesterol to pregnenolone by cytochrome P450scc: EPR/ENDOR/cryoreduction/annealing studies.
Roman Davydov, Andrey A Gilep, Natallia V Strushkevich, Sergey A Usanov, Brian M Hoffman

J Am Chem Soc· October 2012

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Active intermediates in heme monooxygenase reactions as revealed by cryoreduction/annealing, EPR/ENDOR studies.
Roman Davydov, Brian M Hoffman

Arch Biochem Biophys· March 2011

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Probing the oxyferrous and catalytically active ferryl states of Amphitrite ornata dehaloperoxidase by cryoreduction and EPR/ENDOR spectroscopy. Detection of compound I.
Roman Davydov, Robert L Osborne, Muralidharan Shanmugam, Jing Du, John H Dawson

J Am Chem Soc· October 2010

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Identification of a hemerythrin-like domain in a P1B-type transport ATPase.
Matthew E Traverso, Poorna Subramanian, Roman Davydov, Brian M Hoffman, Timothy L Stemmler

Biochemistry· August 2010

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Probing the ternary complexes of indoleamine and tryptophan 2,3-dioxygenases by cryoreduction EPR and ENDOR spectroscopy.
Roman M Davydov, Nishma Chauhan, Sarah J Thackray, J L Ross Anderson, Nektaria D Papadopoulou

J Am Chem Soc· April 2010

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Studies on an iron(iii)-peroxo porphyrin. Iron(III)-peroxo or iron(II)-superoxo?
Katharina Duerr, Julianna Olah, Roman Davydov, Michael Kleimann, Jing Li

Dalton Trans· February 2010

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EPR and ENDOR characterization of the reactive intermediates in the generation of NO by cryoreduced oxy-nitric oxide synthase from Geobacillus stearothermophilus.
Roman Davydov, Jawahar Sudhamsu, Nicholas S Lees, Brian R Crane, Brian M Hoffman

J Am Chem Soc· October 2009

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Characterization of the microsomal cytochrome P450 2B4 O2 activation intermediates by cryoreduction and electron paramagnetic resonance.
Roman Davydov, Reza Razeghifard, Sang-Choul Im, Lucy Waskell, Brian M Hoffman

Biochemistry· September 2008

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EPR and ENDOR studies of cryoreduced compounds II of peroxidases and myoglobin. Proton-coupled electron transfer and protonation status of ferryl hemes.
Roman Davydov, Robert L Osborne, Sun Hee Kim, John H Dawson, Brian M Hoffman

Biochemistry· May 2008

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EPR and ENDOR studies of Fe(II) hemoproteins reduced and oxidized at 77 K.
Roman Davydov, Brian M Hoffman

J Biol Inorg Chem· March 2008

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