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Open data
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Basic information
Entry | Database: PDB / ID: 1f76 | ||||||
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Title | ESCHERICHIA COLI DIHYDROOROTATE DEHYDROGENASE | ||||||
![]() | Dihydroorotate dehydrogenase (quinone) | ||||||
![]() | OXIDOREDUCTASE / MONOMER / ALPHA-BETA-BARREL / FMN BINDING DOMAIN / OROTATE COMPLEX | ||||||
Function / homology | ![]() pyrimidine ribonucleotide biosynthetic process / dihydroorotate dehydrogenase (quinone) / dihydroorotate dehydrogenase (quinone) activity / dihydroorotate dehydrogenase activity / 'de novo' UMP biosynthetic process / 'de novo' pyrimidine nucleobase biosynthetic process / FMN binding / membrane / plasma membrane / cytosol Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Norager, S. / Jensen, K.F. / Bjornberg, O. / Larsen, S. | ||||||
![]() | ![]() Title: E. coli Dihydroorotate Dehydrogenase Reveals Structural and Functional Distinction between different classes of dihydroorotate dehydrogenases Authors: Norager, S. / Jensen, K.F. / Bjornberg, O. / Larsen, S. #1: ![]() Title: Crystallization and Preliminary X-ray Studies of Membrane-associated Escherichia coli Dihydroorotate Dehydrogenase. Authors: Rowland, P. / Norager, S. / Jensen, K.F. / Larsen, S. #2: ![]() Title: The Activity of Escherichia coli Dihydroorotate Dehydrogenase is Dependent on a Conserved Loop Identified by Sequence Homology, Mutagenesis and Limited Proteolysis. Authors: Bjornberg, O. / Gruner, A.-C. / Roepstorff, P. / Jensen, K.F. #3: ![]() Title: The Dihydroorotate Dehydrogenases of Escherichia coli and Lactococcus Lactis Represent Two Distinct Families of the Enzyme. Authors: Bjornberg, O. / Jensen, K.F. / Gruner, A.-C. / Ottosen, M. / Sorensen, P. / Rowland, P. / Norager, S. / Larsen, S. #4: ![]() Title: Reduction Reactions of Two Dihydroorotate Dehydrogenases. Authors: Palfey, B. / Bjornberg, O. / Jensen, K.F. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 296.3 KB | Display | ![]() |
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PDB format | ![]() | 239.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-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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2 | ![]()
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3 | ![]()
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4 | ![]()
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Unit cell |
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Details | The biological assembly is a monomer. The Biological Assembly is a Monomer. |
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Components
#1: Protein | Mass: 37146.711 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() References: UniProt: P0A7E1, dihydroorotate dehydrogenase (quinone) #2: Chemical | ChemComp-FMN / #3: Chemical | #4: Chemical | ChemComp-FMT / #5: Water | ChemComp-HOH / | Has protein modification | Y | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.57 Å3/Da / Density % sol: 65.5 % | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, sitting drop / pH: 3.5 Details: 3.3 to 3.7 M Na-formate, 0.1 M Na-acetate, 25 mM b-OG, 12-15 mg/ml protein, pH 3.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS pH: 7 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 108 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Jun 25, 1999 |
Radiation | Protocol: MULTIPLE ANOMALOUS DIFFRACTION / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97 Å / Relative weight: 1 |
Reflection | Resolution: 2.5→50 Å / Num. all: 75583 / Num. obs: 920967 / % possible obs: 98 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 8.2 % / Biso Wilson estimate: 34.2 Å2 / Rmerge(I) obs: 0.085 / Net I/σ(I): 16.1 |
Reflection shell | Resolution: 2.5→2.54 Å / Rmerge(I) obs: 0.334 / Num. unique all: 3137 / % possible all: 84.6 |
Reflection | *PLUS Num. obs: 75583 / % possible obs: 98 % / Rmerge(I) obs: 0.085 |
Reflection shell | *PLUS % possible obs: 84.6 % / Rmerge(I) obs: 0.034 / Mean I/σ(I) obs: 3.5 |
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Processing
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Refinement | Method to determine structure: ![]() Details: Structure Solved from a MAD Data Set Collected on the Se-methionine Substituted Enzyme
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 44.1302 Å2 / ksol: 0.336959 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 32.2 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.5→20 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.5→2.66 Å / Rfactor Rfree error: 0.008 / Total num. of bins used: 6
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Refinement | *PLUS Rfactor Rfree: 0.217 / Rfactor Rwork: 0.177 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor Rfree: 0.271 / Rfactor Rwork: 0.219 |