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Journal of the American Chemical Society, ISSN 0002-7863, 03/2015, Volume 137, Issue 10, pp. 3610 - 3615
Freeze-quenching nitrogenase during turnover with N2 traps an S = 1/2 intermediate that was shown by ENDOR and EPR spectroscopy to contain N2 or a reduction... 
Journal Article
Proceedings of the National Academy of Sciences, ISSN 0027-8424, 10/2013, Volume 110, Issue 41, pp. 16327 - 16332
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 02/2016, Volume 138, Issue 4, pp. 1320 - 1327
We recently demonstrated that N2 reduction by nitrogenase involves the obligatory release of one H2 per N2 reduced. These studies focus on the E4(4H) “Janus... 
Molecular mechanics | Iron compounds | Chemical properties | Optical properties | Analysis
Journal Article
Inorganic Chemistry, ISSN 0020-1669, 02/2017, Volume 56, Issue 4, pp. 2233 - 2240
N2 reduction by nitrogenase involves the accumulation of four reducing equivalents at the active site FeMo-cofactor to form a state with two [Fe–H–Fe] bridging... 
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 08/2016, Volume 138, Issue 33, pp. 10674 - 10683
We proposed a reductive elimination/oxidative addition (re/oa) mechanism for reduction of N2 to 2NH3 by nitrogenase, based on identification of a... 
Chemical reactions | Usage | Chemical properties | Molybdenum compounds | Elimination reactions | Nitrogenase | INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Journal Article
Inorganic Chemistry, ISSN 0020-1669, 06/2018, Volume 57, Issue 12, pp. 6847 - 6852
Early studies in which nitrogenase was freeze-trapped during enzymatic turnover revealed the presence of high-spin (S = 3/2) electron paramagnetic resonance... 
INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Journal Article
Energy & Environmental Science, ISSN 1754-5692, 2016, Volume 9, Issue 8, pp. 2550 - 2554
Nitrogenase is the only enzyme known to catalyze the reduction of N2 to 2NH3. In vivo, the MoFe protein component of nitrogenase is exclusively reduced by the... 
Journal Article
Energy and Environmental Science, ISSN 1754-5692, 08/2016, Volume 9, Issue 8, pp. 2550 - 2554
Nitrogenase is the only enzyme known to catalyze the reduction of N-2 to 2NH(3). In vivo, the MoFe protein component of nitrogenase is exclusively reduced by... 
MECHANISM | NITRATE | ENERGY & FUELS | LIGHT | BIOFUEL CELLS | CHEMISTRY, MULTIDISCIPLINARY | FEATURES | ENGINEERING, CHEMICAL | ENVIRONMENTAL SCIENCES | ELECTRON-TRANSFER | REDUCTION | PHOTOREDUCTION | NITRITE | ATP | Electrodes | Proteins | Hydrolysis | Ammonia | Reduction | Nitrites | Real time | Carbon
Journal Article
01/2017, ISBN 9781369643916
Nitrogen (N) is a chemical constituent for almost all biological molecules including proteins, DNA, RNA, lipids and is therefore vital for life. The ultimate... 
Biochemistry
Dissertation
JOURNAL OF BIOLOGICAL CHEMISTRY, ISSN 0021-9258, 07/2019, Volume 294, Issue 27, pp. 10596 - 10606
Carotenoid cleavage dioxygenases (CCDs) use a nonheme Fe(II) cofactor to split alkene bonds of carotenoid and stilbenoid substrates. The iron centers of CCDs... 
MECHANISM | BIOCHEMISTRY & MOLECULAR BIOLOGY | dioxygenase | non-heme iron | SOLVENT ISOTOPE | carotenoid | enzyme kinetics | O-2 activation | crystallography | ENZYME | iron | solvent isotope effect | stilbenoid | X-ray absorption spectroscopy | OXYGENASES | INSIGHTS
Journal Article
Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, 10/2013, Volume 110, Issue 41, pp. 16327 - 16332
Nitrogenase is activated for N2 reduction by the accumulation of four electrons/protons on its active site FeMo-cofactor, yielding a state, designated as E4,... 
Protons | Solvents | Stoichiometry | Gases | Biochemical mechanisms | Biochemistry | Hydrides | Kinetics | Alkynes | Electrons
Journal Article
INORGANIC CHEMISTRY, ISSN 0020-1669, 06/2018, Volume 57, Issue 12, pp. 6847 - 6852
Early studies in which nitrogenase was freeze-trapped during enzymatic turnover revealed the presence of high-spin (S = 3/2) electron paramagnetic resonance... 
E-4(4H) JANUS INTERMEDIATE | RELAXATION PROTOCOL | ACTIVE-SITE | KLEBSIELLA-PNEUMONIAE NITROGENASE | PHOTOINDUCED REDUCTIVE ELIMINATION | MOFE-PROTEIN | N-2 BINDING | AZOTOBACTER-VINELANDII NITROGENASE | E-4 INTERMEDIATE | ENDOR SPECTROSCOPY | CHEMISTRY, INORGANIC & NUCLEAR
Journal Article
ISSN 1754-5692, 8/2016, Volume 9, Issue 8, pp. 255 - 2554
Nitrogenase is the only enzyme known to catalyze the reduction of N 2 to 2NH 3 . In vivo , the MoFe protein component of nitrogenase is exclusively reduced by... 
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 09/2017, Volume 139, Issue 38, pp. 13518 - 13524
Nitrogenase catalyzes the reduction of dinitrogen (N2) to two ammonia (NH3) at its active site FeMo-cofactor through a mechanism involving reductive... 
Journal Article
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