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Open data
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Basic information
Entry | Database: PDB / ID: 1hj5 | ||||||
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Title | Cytochrome cd1 Nitrite Reductase, reoxidised enzyme | ||||||
![]() | Nitrite reductase | ||||||
![]() | OXIDOREDUCTASE / ENZYME / NITRITE REDUCTASE | ||||||
Function / homology | ![]() hydroxylamine reductase / hydroxylamine reductase activity / nitrite reductase (NO-forming) / nitrite reductase (NO-forming) activity / periplasmic space / electron transfer activity / heme binding / metal ion binding Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Sjogren, T. / Hajdu, J. | ||||||
![]() | ![]() Title: Structure of the bound dioxygen species in the cytochrome oxidase reaction of cytochrome cd1 nitrite reductase. Authors: Sjogren, T. / Hajdu, J. #1: ![]() Title: Haem Ligand-Switching During Catalysis in Crystals of a Nitrogen Cycle Enzyme Authors: Williams, P.A. / Fulop, V. / Garman, E.F. / Saunders, N.F.W. / Ferguson, S.J. / Hajdu, J. #2: ![]() Title: The Anatomy of a Bifunctional Enzyme: Structural Basis for Reduction of Oxygen to Water and Synthesis of Nitric Oxide by Cytochrome Cd1 Authors: Fulop, V. / Moir, J.W.B. / Saunders, N.F.W. / Ferguson, S.J. / Hajdu, J. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 251.3 KB | Display | ![]() |
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PDB format | ![]() | 200.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 727 KB | Display | ![]() |
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Full document | ![]() | 745.6 KB | Display | |
Data in XML | ![]() | 26.1 KB | Display | |
Data in CIF | ![]() | 43.4 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1hj3C ![]() 1hj4C ![]() 1qksS C: citing same article ( S: Starting model for refinement |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
-Protein , 1 types, 2 molecules AB
#1: Protein | Mass: 62546.539 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: P72181, nitrite reductase (NO-forming), hydroxylamine reductase |
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-Non-polymers , 5 types, 904 molecules 








#2: Chemical | #3: Chemical | #4: Chemical | ChemComp-GOL / #5: Chemical | ChemComp-SO4 / #6: Water | ChemComp-HOH / | |
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-Details
Has protein modification | Y |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.52 Å3/Da / Density % sol: 51 % | ||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 293 K / pH: 7 Details: 2.3 M AMMONIUM SULFATE 50MM POTASSIUM PHOSPHATE PH 7.0 CRYSTALS WERE REDUCED USING 20MM SODIUM DITHIONITE. THE CRYSTAL WAS TRANSFERRED TO A SOLUTION CONTAINING 2.3 M AMMONIUM SULFATE, 50 MM ...Details: 2.3 M AMMONIUM SULFATE 50MM POTASSIUM PHOSPHATE PH 7.0 CRYSTALS WERE REDUCED USING 20MM SODIUM DITHIONITE. THE CRYSTAL WAS TRANSFERRED TO A SOLUTION CONTAINING 2.3 M AMMONIUM SULFATE, 50 MM PHOSPAHTE BUFFER PH 7 AND 15 % GLYCEROL. O2 WAS INTRODUCED UNDER 15 ATM PRESSURE FOR 60 MINUTES AT -20 DEGREES. UNDER THESE CONDITIONS THE ENZYME UNDERGO A COMPLETE TURNOVER AND THE STRUCTURE REPRESENTS THE REOXIDISED ENZYME | ||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 15 ℃ / Method: vapor diffusion, hanging drop / Details: Fulop, V., (1993) J. Mol. Biol., 232, 1211. | ||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARRESEARCH / Detector: CCD / Date: Dec 16, 1998 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.935 Å / Relative weight: 1 |
Reflection | Resolution: 1.46→30 Å / Num. obs: 189123 / % possible obs: 91.9 % / Observed criterion σ(I): 0 / Redundancy: 2.1 % / Biso Wilson estimate: 15.7 Å2 / Rmerge(I) obs: 0.05 / Rsym value: 0.05 / Net I/σ(I): 10.2 |
Reflection shell | Resolution: 1.46→1.52 Å / Rmerge(I) obs: 0.199 / Mean I/σ(I) obs: 2.5 / Rsym value: 0.199 / % possible all: 84.6 |
Reflection | *PLUS Rmerge(I) obs: 0.05 |
Reflection shell | *PLUS % possible obs: 84.6 % |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1QKS Resolution: 1.46→30 Å / SU B: 1.36 / SU ML: 0.056 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.079 / ESU R Free: 0.077 Details: IN MONOMER A RESIDUES A 1 - A 8 ARE DISORDERED AND WERE NOT MODELLED. IN MONOMER B RESIDUES B 1 - B 8 ARE DISORDERED AND WERE NOT MODELLED.
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Displacement parameters | Biso mean: 17.8 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.46→30 Å
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Refine LS restraints |
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Software | *PLUS Name: REFMAC / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Rfactor obs: 0.195 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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