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Open data
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Basic information
Entry | Database: PDB / ID: 1dfx | ||||||
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Title | DESULFOFERRODOXIN FROM DESULFOVIBRIO DESULFURICANS, ATCC 27774 | ||||||
![]() | DESULFOFERRODOXIN | ||||||
![]() | ELECTRON TRANSPORT / NON-HEME IRON PROTEIN | ||||||
Function / homology | ![]() superoxide reductase / superoxide reductase activity / removal of superoxide radicals / iron ion binding Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Coelho, A.V. / Matias, P.M. / Carrondo, M.A. | ||||||
![]() | Journal: J.Biol.Inorg.Chem. / Year: 1997 Title: Desulfoferrodoxin Structure Determined by MAD Phasing and Refinement to 1.9 Angstroms Resolution Reveals a Unique Combination of a Tetrahedral Fes4 Centre with a Square Pyramidal Fesn4 Centre Authors: Coelho, A.V. / Matias, P. / Fulop, V. / Thompson, A. / Gonzalez, A. / Carrondo, M.A. #1: ![]() Title: Preliminary Crystallographic Analysis of the Oxidized Form of a Two Mono-Nuclear Iron Centres Protein from Desulfovibrio Desulfuricans Atcc 27774 Authors: Coelho, A.V. / Matias, P.M. / Carrondo, M.A. / Tavares, P. / Moura, J.J. / Moura, I. / Fulop, V. / Hajdu, J. / Le Gall, 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 | ![]() | 39.1 KB | Display | ![]() |
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PDB format | ![]() | 27 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 412.6 KB | Display | ![]() |
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Full document | ![]() | 414.6 KB | Display | |
Data in XML | ![]() | 7.9 KB | Display | |
Data in CIF | ![]() | 10.3 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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1 | ![]()
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Unit cell |
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Components on special symmetry positions |
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Components
#1: Protein | Mass: 13903.935 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() | ||||
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#2: Chemical | #3: Chemical | ChemComp-CA / | #4: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.8 Å3/Da / Density % sol: 55 % / Description: MAD DATA COLLECTED AT ESRF BM-14 | ||||||||||||||||||||||||
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Crystal grow | pH: 7.5 Details: PROTEIN WAS CRYSTALLIZED FROM 20% PEG 4000, 0.1 M HEPES, CACL2 0.2 M, PH 7.5 | ||||||||||||||||||||||||
Crystal | *PLUS | ||||||||||||||||||||||||
Crystal grow | *PLUS Method: vapor diffusion, sitting drop / Details: Coelho, A.V., (1996) Protein Sci., 5, 1189. | ||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 293 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Oct 1, 1992 / Details: MIRRORS |
Radiation | Monochromator: SI(111) / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.994 Å / Relative weight: 1 |
Reflection | Resolution: 1.9→20 Å / Num. obs: 11867 / % possible obs: 97.7 % / Observed criterion σ(I): 2 / Redundancy: 2.2 % / Rmerge(I) obs: 0.045 / Rsym value: 0.045 / Net I/σ(I): 8.8 |
Reflection shell | Resolution: 1.9→1.97 Å / Redundancy: 2.2 % / Rmerge(I) obs: 0.26 / Mean I/σ(I) obs: 2.9 / Rsym value: 0.26 / % possible all: 96.3 |
Reflection | *PLUS Num. measured all: 25678 |
Reflection shell | *PLUS % possible obs: 96.3 % |
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Processing
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Refinement | Method to determine structure: MULTIPLE WAVELENGTH ANOMALOUS DISPERSION (MAD) Resolution: 1.9→20 Å / Num. parameters: 4254 / Num. restraintsaints: 3852 / Cross valid method: FREE R / σ(F): 0 / Stereochemistry target values: ENGH & HUBER Details: THE REFINEMENT WAS STARTED WITH X-PLOR. NO GEOMETRICAL RESTRAINTS WERE IMPOSED BETWEEN THE IRON ATOMS AND THEIR LIGANDS.
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Solvent computation | Solvent model: MOEWS & KRETSINGER | |||||||||||||||||||||||||||||||||
Refine analyze | Occupancy sum non hydrogen: 1027 | |||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.9→20 Å
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Refine LS restraints |
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Software | *PLUS Name: SHELXL-93 / Classification: refinement | |||||||||||||||||||||||||||||||||
Refinement | *PLUS Rfactor all: 0.2 / Rfactor Rwork: 0.2 | |||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | |||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | |||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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