3PDI
 
 | | Precursor bound NifEN | | Descriptor: | IRON/SULFUR CLUSTER, L-Cluster (Fe8S9), Nitrogenase MoFe cofactor biosynthesis protein NifE, ... | | Authors: | Kaiser, J.T, Hu, Y, Wiig, J.A, Rees, D.C, Ribbe, M.W. | | Deposit date: | 2010-10-22 | | Release date: | 2011-01-19 | | Last modified: | 2024-02-21 | | Method: | X-RAY DIFFRACTION (2.4 Å) | | Cite: | Structure of Precursor-Bound NifEN: A Nitrogenase FeMo Cofactor Maturase/Insertase.
Science, 331, 2011
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4WES
 | | Nitrogenase molybdenum-iron protein from Clostridium pasteurianum at 1.08 A resolution | | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, 3-HYDROXY-3-CARBOXY-ADIPIC ACID, FE (II) ION, ... | | Authors: | Zhang, L.M, Morrison, C.N, Kaiser, J.T, Rees, D.C. | | Deposit date: | 2014-09-10 | | Release date: | 2015-02-11 | | Last modified: | 2023-12-27 | | Method: | X-RAY DIFFRACTION (1.08 Å) | | Cite: | Nitrogenase MoFe protein from Clostridium pasteurianum at 1.08 angstrom resolution: comparison with the Azotobacter vinelandii MoFe protein.
Acta Crystallogr.,Sect.D, 71, 2015
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9I0G
 | | CryoEM structure of holo-GmNifEN | | Descriptor: | FeFe cofactor, IRON/SULFUR CLUSTER, Nitrogenase iron-molybdenum cofactor biosynthesis protein NifE | | Authors: | Paya Tormo, L, Nguyen, T.Q, Fyfe, C, Basbous, H, Dobrzynska, K, Echavarri-Erasun, C, Martin, L, Caserta, G, Legrand, P, Thorn, A, Amara, P, Schoehn, G, Cherrier, M.V, Rubio, L.M, Nicolet, Y. | | Deposit date: | 2025-01-15 | | Release date: | 2025-11-05 | | Last modified: | 2025-11-26 | | Method: | ELECTRON MICROSCOPY (2.86 Å) | | Cite: | Dynamics driving the precursor in NifEN scaffold during nitrogenase FeMo-cofactor assembly.
Nat.Chem.Biol., 2025
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9I0F
 | | Revisited AvNifEN crystal structure | | Descriptor: | 1,2-ETHANEDIOL, DI(HYDROXYETHYL)ETHER, FeFe cofactor, ... | | Authors: | Paya Tormo, L, Nguyen, T.Q, Fyfe, C, Basbous, H, Dobrzynska, K, Echavarri-Erasun, C, Martin, L, Caserta, G, Legrand, P, Thorn, A, Amara, P, Schoehn, G, Cherrier, M.V, Rubio, L.M, Nicolet, Y. | | Deposit date: | 2025-01-15 | | Release date: | 2025-12-03 | | Method: | X-RAY DIFFRACTION (2.4 Å) | | Cite: | Dynamics driving the precursor in NifEN scaffold during nitrogenase FeMo-cofactor assembly.
Nat.Chem.Biol., 2025
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5VPW
 | | Nitrogenase Cp1 at pH 5 | | Descriptor: | 3-HYDROXY-3-CARBOXY-ADIPIC ACID, FE (II) ION, FE(8)-S(7) CLUSTER, ... | | Authors: | Morrison, C.N, Spatzal, T, Rees, D.C. | | Deposit date: | 2017-05-05 | | Release date: | 2017-07-26 | | Last modified: | 2024-11-20 | | Method: | X-RAY DIFFRACTION (1.85 Å) | | Cite: | Reversible Protonated Resting State of the Nitrogenase Active Site.
J. Am. Chem. Soc., 139, 2017
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5VQ3
 | | Nitrogenase Cp1 at pH 6.5 | | Descriptor: | 3-HYDROXY-3-CARBOXY-ADIPIC ACID, FE (II) ION, FE(8)-S(7) CLUSTER, ... | | Authors: | Morrison, C.N, Spatzal, T, Rees, D.C. | | Deposit date: | 2017-05-07 | | Release date: | 2017-07-26 | | Last modified: | 2023-10-04 | | Method: | X-RAY DIFFRACTION (1.72 Å) | | Cite: | Reversible Protonated Resting State of the Nitrogenase Active Site.
J. Am. Chem. Soc., 139, 2017
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8PBB
 | | CHAPSO treated partial catalytic component (comprising only AnfD & AnfK, lacking AnfG and FeFeco) of iron nitrogenase from Rhodobacter capsulatus | | Descriptor: | FE(8)-S(7) CLUSTER, Nitrogenase iron-iron protein, beta subunit, ... | | Authors: | Schmidt, F.V, Schulz, L, Zarzycki, J, Prinz, S, Erb, T.J, Rebelein, J.G. | | Deposit date: | 2023-06-09 | | Release date: | 2023-10-04 | | Last modified: | 2024-01-31 | | Method: | ELECTRON MICROSCOPY (2.49 Å) | | Cite: | Structural insights into the iron nitrogenase complex.
Nat.Struct.Mol.Biol., 31, 2024
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4WN9
 | | Structure of the Nitrogenase MoFe Protein from Clostridium pasteurianum Pressurized with Xenon | | Descriptor: | 3-HYDROXY-3-CARBOXY-ADIPIC ACID, FE (III) ION, FE(8)-S(7) CLUSTER, ... | | Authors: | Morrison, C.N, Hoy, J.A, Rees, D.C. | | Deposit date: | 2014-10-11 | | Release date: | 2015-03-18 | | Last modified: | 2024-11-13 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Substrate Pathways in the Nitrogenase MoFe Protein by Experimental Identification of Small Molecule Binding Sites.
Biochemistry, 54, 2015
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1MIO
 | | X-RAY CRYSTAL STRUCTURE OF THE NITROGENASE MOLYBDENUM-IRON PROTEIN FROM CLOSTRIDIUM PASTEURIANUM AT 3.0 ANGSTROMS RESOLUTION | | Descriptor: | 3-HYDROXY-3-CARBOXY-ADIPIC ACID, CALCIUM ION, FE-MO-S CLUSTER, ... | | Authors: | Kim, J, Woo, D, Rees, D.C. | | Deposit date: | 1993-03-24 | | Release date: | 1993-10-31 | | Last modified: | 2024-02-14 | | Method: | X-RAY DIFFRACTION (3 Å) | | Cite: | X-ray crystal structure of the nitrogenase molybdenum-iron protein from Clostridium pasteurianum at 3.0-A resolution.
Biochemistry, 32, 1993
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9I0H
 | | CryoEM structure of transit-GmNifEN | | Descriptor: | FeFe cofactor, IRON/SULFUR CLUSTER, Nitrogenase iron-molybdenum cofactor biosynthesis protein NifE | | Authors: | Paya Tormo, L, Nguyen, T.Q, Fyfe, C, Basbous, H, Dobrzynska, K, Echavarri-Erasun, C, Martin, L, Caserta, G, Legrand, P, Thorn, A, Amara, P, Schoehn, G, Cherrier, M.V, Rubio, L.M, Nicolet, Y. | | Deposit date: | 2025-01-15 | | Release date: | 2025-11-05 | | Last modified: | 2025-11-26 | | Method: | ELECTRON MICROSCOPY (2.62 Å) | | Cite: | Dynamics driving the precursor in NifEN scaffold during nitrogenase FeMo-cofactor assembly.
Nat.Chem.Biol., 2025
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9EFU
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9D9U
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9NSV
 | | CryoEM structure of ancestral nitrogenase MoFe-protein | | Descriptor: | 3-HYDROXY-3-CARBOXY-ADIPIC ACID, FE (III) ION, FE(8)-S(7) CLUSTER, ... | | Authors: | Shen, Y, Warmack, R.A. | | Deposit date: | 2025-03-17 | | Release date: | 2025-07-16 | | Last modified: | 2025-09-17 | | Method: | ELECTRON MICROSCOPY (2.19 Å) | | Cite: | CryoEM-enabled visual proteomics reveals de novo structures of oligomeric protein complexes.
Structure, 33, 2025
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7MCI
 | | MoFe protein from Azotobacter vinelandii with a sulfur-replenished cofactor | | Descriptor: | 3-HYDROXY-3-CARBOXY-ADIPIC ACID, CALCIUM ION, FE(8)-S(7) CLUSTER, ... | | Authors: | Kang, W, Lee, C, Hu, Y, Ribbe, M.W. | | Deposit date: | 2021-04-02 | | Release date: | 2022-05-18 | | Last modified: | 2023-10-18 | | Method: | X-RAY DIFFRACTION (1.65 Å) | | Cite: | Evidence of substrate binding and product release via belt-sulfur mobilization of the nitrogenase cofactor
Nat Catal, 5, 2022
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6FEA
 | | A. vinelandii vanadium nitrogenase, turnover state | | Descriptor: | 3-HYDROXY-3-CARBOXY-ADIPIC ACID, CARBONATE ION, FE(8)-S(7) CLUSTER, ... | | Authors: | Sippel, D, Einsle, O. | | Deposit date: | 2017-12-31 | | Release date: | 2018-03-28 | | Last modified: | 2024-01-17 | | Method: | X-RAY DIFFRACTION (1.2 Å) | | Cite: | A bound reaction intermediate sheds light on the mechanism of nitrogenase.
Science, 359, 2018
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5KOJ
 | | Nitrogenase MoFeP protein in the IDS oxidized state | | Descriptor: | 3-HYDROXY-3-CARBOXY-ADIPIC ACID, FE (III) ION, FE(8)-S(7) CLUSTER, ... | | Authors: | Owens, C.P, Tezcan, F.A. | | Deposit date: | 2016-06-30 | | Release date: | 2016-09-14 | | Last modified: | 2024-03-06 | | Method: | X-RAY DIFFRACTION (2.592 Å) | | Cite: | Tyrosine-Coordinated P-Cluster in G. diazotrophicus Nitrogenase: Evidence for the Importance of O-Based Ligands in Conformationally Gated Electron Transfer.
J.Am.Chem.Soc., 138, 2016
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5KOH
 | | Nitrogenase MoFeP from Gluconacetobacter diazotrophicus in dithionite reduced state | | Descriptor: | (4R)-2-METHYLPENTANE-2,4-DIOL, (4S)-2-METHYL-2,4-PENTANEDIOL, 3-HYDROXY-3-CARBOXY-ADIPIC ACID, ... | | Authors: | Owens, C.P, Tezcan, F.A. | | Deposit date: | 2016-06-30 | | Release date: | 2016-09-21 | | Last modified: | 2023-10-04 | | Method: | X-RAY DIFFRACTION (1.83 Å) | | Cite: | Tyrosine-Coordinated P-Cluster in G. diazotrophicus Nitrogenase: Evidence for the Importance of O-Based Ligands in Conformationally Gated Electron Transfer.
J.Am.Chem.Soc., 138, 2016
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8BTS
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8P8G
 | | Nitrogenase MoFe protein from A. vinelandii beta double mutant D353G/D357G | | Descriptor: | 1,2-ETHANEDIOL, 1,4-DIETHYLENE DIOXIDE, 3-HYDROXY-3-CARBOXY-ADIPIC ACID, ... | | Authors: | Maslac, N, Wagner, T. | | Deposit date: | 2023-06-01 | | Release date: | 2023-12-13 | | Method: | X-RAY DIFFRACTION (1.55 Å) | | Cite: | The Mononuclear Metal-Binding Site of Mo-Nitrogenase Is Not Required for Activity.
Jacs Au, 3, 2023
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8BOQ
 | | A. vinelandii Fe-nitrogenase FeFe protein | | Descriptor: | 3-HYDROXY-3-CARBOXY-ADIPIC ACID, FE(8)-S(7) CLUSTER, Fe-only nitrogenase, ... | | Authors: | Trncik, C, Detemple, F, Einsle, O. | | Deposit date: | 2022-11-15 | | Release date: | 2023-06-14 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (1.547 Å) | | Cite: | Iron-only Fe-nitrogenase underscores common catalytic principles in biological nitrogen fixation
Nat Catal, 2023
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4ND8
 | | Av Nitrogenase MoFe Protein High pH Form | | Descriptor: | 3-HYDROXY-3-CARBOXY-ADIPIC ACID, FE (III) ION, FE(8)-S(7) CLUSTER, ... | | Authors: | Yang, K.-Y, Haynes, C.A, Spatzal, T, Rees, D.C, Howard, J.B. | | Deposit date: | 2013-10-25 | | Release date: | 2014-01-15 | | Last modified: | 2023-09-20 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Turnover-Dependent Inactivation of the Nitrogenase MoFe-Protein at High pH.
Biochemistry, 53, 2014
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6BBL
 | | Crystal structure of the a-96Gln MoFe protein variant in the presence of the substrate acetylene | | Descriptor: | 3-HYDROXY-3-CARBOXY-ADIPIC ACID, FE (III) ION, FE(8)-S(7) CLUSTER, ... | | Authors: | Zadvornyy, O.A, Keable, S.M, Vertemara, J, Eilers, B.J, Karamatullah, D, Rasmussen, A.J, De Gioia, L, Zampella, G, Seefeldt, L.C, Peters, J.W. | | Deposit date: | 2017-10-18 | | Release date: | 2018-01-10 | | Last modified: | 2023-10-04 | | Method: | X-RAY DIFFRACTION (1.68 Å) | | Cite: | Structural characterization of the nitrogenase molybdenum-iron protein with the substrate acetylene trapped near the active site.
J. Inorg. Biochem., 180, 2017
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3U7Q
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6VXT
 | | Activated Nitrogenase MoFe-protein from Azotobacter vinelandii | | Descriptor: | 3-HYDROXY-3-CARBOXY-ADIPIC ACID, FE (III) ION, FE(8)-S(7) CLUSTER, ... | | Authors: | Kang, W, Hu, Y, Ribbe, M.W. | | Deposit date: | 2020-02-24 | | Release date: | 2020-06-24 | | Last modified: | 2023-10-11 | | Method: | X-RAY DIFFRACTION (1.74 Å) | | Cite: | Structural evidence for a dynamic metallocofactor during N2reduction by Mo-nitrogenase.
Science, 368, 2020
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6UG0
 | | N2-bound Nitrogenase MoFe-protein from Azotobacter vinelandii | | Descriptor: | 3-HYDROXY-3-CARBOXY-ADIPIC ACID, FE (III) ION, FE(8)-S(7) CLUSTER, ... | | Authors: | Kang, W, Hu, Y, Ribbe, M.W. | | Deposit date: | 2019-09-25 | | Release date: | 2020-06-24 | | Last modified: | 2023-10-11 | | Method: | X-RAY DIFFRACTION (1.83 Å) | | Cite: | Structural evidence for a dynamic metallocofactor during N2reduction by Mo-nitrogenase.
Science, 368, 2020
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