70 results on '"Dean, Dennis R."'
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2. 13C ENDOR Characterization of the Central Carbon within the Nitrogenase Catalytic Cofactor Indicates That the CFe6Core Is a Stabilizing “Heart of Steel”
3. The One-Electron Reduced Active-Site FeFe-Cofactor of Fe-Nitrogenase Contains a Hydride Bound to a Formally Oxidized Metal-Ion Core
4. Exploring the Role of the Central Carbide of the Nitrogenase Active-Site FeMo-cofactor through Targeted 13C Labeling and ENDOR Spectroscopy
5. Electron Redistribution within the Nitrogenase Active Site FeMo-Cofactor During Reductive Elimination of H2 to Achieve N≡N Triple-Bond Activation
6. Reduction of Substrates by Nitrogenases
7. Time-Resolved EPR Study of H2 Reductive Elimination from the Photoexcited Nitrogenase Janus E4(4H) Intermediate
8. Mo-, V-, and Fe-Nitrogenases Use a Universal Eight-Electron Reductive-Elimination Mechanism To Achieve N2 Reduction
9. Kinetic Understanding of N2 Reduction versus H2 Evolution at the E4(4H) Janus State in the Three Nitrogenases
10. Energy Transduction in Nitrogenase
11. Hydride Conformers of the Nitrogenase FeMo-cofactor Two-Electron Reduced State E2(2H), Assigned Using Cryogenic Intra Electron Paramagnetic Resonance Cavity Photolysis
12. Mechanism of N2 Reduction Catalyzed by Fe-Nitrogenase Involves Reductive Elimination of H2
13. Mechanism of Nitrogenase H2 Formation by Metal-Hydride Protonation Probed by Mediated Electrocatalysis and H/D Isotope Effects
14. Photoinduced Reductive Elimination of H2 from the Nitrogenase Dihydride (Janus) State Involves a FeMo-cofactor-H2 Intermediate
15. Reductive Elimination of H2 Activates Nitrogenase to Reduce the N≡N Triple Bond: Characterization of the E4(4H) Janus Intermediate in Wild-Type Enzyme
16. CO2 Reduction Catalyzed by Nitrogenase: Pathways to Formate, Carbon Monoxide, and Methane
17. Evidence That the Pi Release Event Is the Rate-Limiting Step in the Nitrogenase Catalytic Cycle
18. Reversible Photoinduced Reductive Elimination of H2 from the Nitrogenase Dihydride State, the E4(4H) Janus Intermediate
19. Fe Protein-Independent Substrate Reduction by Nitrogenase MoFe Protein Variants
20. Identification of a Key Catalytic Intermediate Demonstrates That Nitrogenase Is Activated by the Reversible Exchange of N2 for H2
21. Nitrite and Hydroxylamine as Nitrogenase Substrates: Mechanistic Implications for the Pathway of N2 Reduction
22. A Confirmation of the Quench-Cryoannealing Relaxation Protocol for Identifying Reduction States of Freeze-Trapped Nitrogenase Intermediates
23. Mechanism of Nitrogen Fixation by Nitrogenase: The Next Stage
24. Nitrogenase: A Draft Mechanism
25. Correction to Temperature Invariance of the Nitrogenase Electron Transfer Mechanism
26. Temperature Invariance of the Nitrogenase Electron Transfer Mechanism
27. Electron Transfer within Nitrogenase: Evidence for a Deficit-Spending Mechanism
28. 57Fe ENDOR Spectroscopy and ‘Electron Inventory’ Analysis of the Nitrogenase E4 Intermediate Suggest the Metal-Ion Core of FeMo-Cofactor Cycles Through Only One Redox Couple
29. ENDOR/HYSCORE Studies of the Common Intermediate Trapped during Nitrogenase Reduction of N2H2, CH3N2H, and N2H4 Support an Alternating Reaction Pathway for N2 Reduction
30. Uncoupling Nitrogenase: Catalytic Reduction of Hydrazine to Ammonia by a MoFe Protein in the Absence of Fe Protein-ATP
31. Conformational Gating of Electron Transfer from the Nitrogenase Fe Protein to MoFe Protein
32. Is Mo Involved in Hydride Binding by the Four-Electron Reduced (E4) Intermediate of the Nitrogenase MoFe Protein?
33. Trapping an Intermediate of Dinitrogen (N2) Reduction on Nitrogenase
34. Climbing Nitrogenase: Toward a Mechanism of Enzymatic Nitrogen Fixation
35. Testing if the Interstitial Atom, X, of the Nitrogenase Molybdenum−Iron Cofactor Is N or C: ENDOR, ESEEM, and DFT Studies of the S = 3/2 Resting State in Multiple Environments
36. Diazene (HNNH) Is a Substrate for Nitrogenase: Insights into the Pathway of N2 Reduction
37. In Vitro Activation of Apo-Aconitase Using a [4Fe-4S] Cluster-Loaded Form of the IscU [Fe−S] Cluster Scaffolding Protein
38. Formation and Properties of [4Fe-4S] Clusters on the IscU Scaffold Protein
39. Electron Inventory, Kinetic Assignment (En), Structure, and Bonding of Nitrogenase Turnover Intermediates with C2H2 and CO
40. Intermediates Trapped during Nitrogenase Reduction of N⋮N, CH3−NNH, and H2N−NH2
41. NifS-Mediated Assembly of [4Fe−4S] Clusters in the N- and C-Terminal Domains of the NifU Scaffold Protein
42. The Interstitial Atom of the Nitrogenase FeMo-Cofactor: ENDOR and ESEEM Evidence That it is Not a Nitrogen
43. Trapping a Hydrazine Reduction Intermediate on the Nitrogenase Active Site
44. Trapping H-Bound to the Nitrogenase FeMo-Cofactor Active Site during H2Evolution: Characterization by ENDOR Spectroscopy
45. Substrate Interactions with the Nitrogenase Active Site
46. An Organometallic Intermediate during Alkyne Reduction by Nitrogenase
47. Substrate Interactions with Nitrogenase: Fe versus Mo
48. Formation and Insertion of the Nitrogenase Iron−Molybdenum Cofactor
49. Localization of a Substrate Binding Site on the FeMo-Cofactor in Nitrogenase: Trapping Propargyl Alcohol with an α-70-Substituted MoFe Protein
50. The Interstitial Atom of the Nitrogenase FeMo-Cofactor: ENDOR and ESEEM Show It Is Not an Exchangeable Nitrogen
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