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- PDB-3l2i: 1.85 Angstrom Crystal Structure of the 3-Dehydroquinate Dehydrata... -
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Open data
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Basic information
Entry | Database: PDB / ID: 3l2i | ||||||
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Title | 1.85 Angstrom Crystal Structure of the 3-Dehydroquinate Dehydratase (aroD) from Salmonella typhimurium LT2. | ||||||
![]() | 3-dehydroquinate dehydratase | ||||||
![]() | LYASE / 3-dehydroquinate dehydratase / aroD / Shikimate pathway / idp90922 / csgid / Amino-acid biosynthesis / Aromatic amino acid biosynthesis / Schiff base / Structural Genomics / Center for Structural Genomics of Infectious Diseases | ||||||
Function / homology | ![]() 3,4-dihydroxybenzoate biosynthetic process / 3-dehydroquinate dehydratase / 3-dehydroquinate dehydratase activity / chorismate biosynthetic process / aromatic amino acid family biosynthetic process / amino acid biosynthetic process Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Minasov, G. / Light, S.H. / Shuvalova, L. / Papazisi, L. / Anderson, W.F. / Center for Structural Genomics of Infectious Diseases (CSGID) | ||||||
![]() | ![]() Title: A conserved surface loop in type I dehydroquinate dehydratases positions an active site arginine and functions in substrate binding. Authors: Light, S.H. / Minasov, G. / Shuvalova, L. / Peterson, S.N. / Caffrey, M. / Anderson, W.F. / Lavie, A. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 125.2 KB | Display | ![]() |
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PDB format | ![]() | 95.8 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 439 KB | Display | ![]() |
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Full document | ![]() | 443.4 KB | Display | |
Data in XML | ![]() | 24.9 KB | Display | |
Data in CIF | ![]() | 37 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 3o1nC ![]() 3oexC ![]() 1gqnS S: Starting model for refinement C: citing same article ( |
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Similar structure data | |
Other databases |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 30101.309 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Strain: LT2 / Gene: aroD, STM1358 / Plasmid: pMCSG7 / Production host: ![]() ![]() #2: Chemical | ChemComp-MG / | #3: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.03 Å3/Da / Density % sol: 39.3 % |
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Crystal grow | Temperature: 295 K / Method: vapor diffusion, sitting drop / pH: 8.3 Details: Protein solution: 7.5 mG/mL, 0.25M Sodium Chloride, 0.01M Tris-HCL (pH 8.3); Screen solution: ANL-2, drop D3; 0.2M Magnesium Chloride, 20% PEG 3350. , VAPOR DIFFUSION, SITTING DROP, temperature 295K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Dec 10, 2009 / Details: Beryllium lenses |
Radiation | Monochromator: Diamond / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97872 Å / Relative weight: 1 |
Reflection | Resolution: 1.85→30 Å / Num. all: 42861 / Num. obs: 42861 / % possible obs: 100 % / Observed criterion σ(I): -3 / Redundancy: 6.5 % / Biso Wilson estimate: 21.1 Å2 / Rmerge(I) obs: 0.077 / Net I/σ(I): 21.3 |
Reflection shell | Resolution: 1.85→1.88 Å / Redundancy: 4.5 % / Rmerge(I) obs: 0.355 / Mean I/σ(I) obs: 4.1 / Num. unique all: 2081 / % possible all: 99.8 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 1GQN Resolution: 1.85→28.64 Å / Cor.coef. Fo:Fc: 0.959 / Cor.coef. Fo:Fc free: 0.942 / SU B: 2.727 / SU ML: 0.085 / Isotropic thermal model: REFINED INDIVIDUALLY / Cross valid method: THROUGHOUT / ESU R: 0.143 / ESU R Free: 0.135 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: BABINET MODEL WITH MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 17.923 Å2
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Refinement step | Cycle: LAST / Resolution: 1.85→28.64 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.85→1.898 Å / Total num. of bins used: 20
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