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- PDB-1xff: Glutaminase domain of glucosamine 6-phosphate synthase complexed ... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1xff | |||||||||
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Title | Glutaminase domain of glucosamine 6-phosphate synthase complexed with glutamate | |||||||||
![]() | Glucosamine--fructose-6-phosphate aminotransferase [isomerizing] | |||||||||
![]() | TRANSFERASE / COMPLEX (TRANSFERASE-INHIBITOR) / GLUTAMINE AMIDOTRANSFERASE | |||||||||
Function / homology | ![]() glutamine-fructose-6-phosphate transaminase (isomerizing) / glutamine-fructose-6-phosphate transaminase (isomerizing) activity / UDP-N-acetylglucosamine metabolic process / UDP-N-acetylglucosamine biosynthetic process / carbohydrate derivative binding / protein N-linked glycosylation / fructose 6-phosphate metabolic process / carbohydrate metabolic process / cytosol Similarity search - Function | |||||||||
Biological species | ![]() ![]() | |||||||||
Method | ![]() ![]() ![]() | |||||||||
![]() | Isupov, M.N. / Teplyakov, A. | |||||||||
![]() | ![]() Title: Substrate Binding is Required for Assembly of the Active Conformation of the Catalytic Site in Ntn Amidotransferases: Evidence from the 1.8 Angstrom Crystal Structure of the Glutaminase Domain ...Title: Substrate Binding is Required for Assembly of the Active Conformation of the Catalytic Site in Ntn Amidotransferases: Evidence from the 1.8 Angstrom Crystal Structure of the Glutaminase Domain of Glucosamine 6-Phosphate Synthase Authors: Isupov, M.N. / Obmolova, G. / Butterworth, S. / Badet-Denisot, M.-A. / Badet, B. / Polikarpov, I. / Littlechild, J.A. / Teplyakov, A. #1: ![]() Title: Crystallization and Preliminary X-Ray Analysis of the Two Domains of Glucosamine-6-Phosphate Synthase from Escherichia Coli Authors: Obmolova, G. / Badet-Denisot, M.A. / Badet, B. / Teplyakov, A. #2: ![]() Title: Channeling of Ammonia in Glucosamine 6-Phosphate Synthase Authors: Teplyakov, A. / Obmolova, G. / Badet-Denisot, M.A. / Badet, B. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 113.8 KB | Display | ![]() |
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PDB format | ![]() | 86.8 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 1xfgC ![]() 1gphS 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
#1: Protein | Mass: 26507.059 Da / Num. of mol.: 2 / Fragment: GLUTAMINASE DOMAIN Source method: isolated from a genetically manipulated source Details: inhibited by L-GLUTAMATE / Source: (gene. exp.) ![]() ![]() ![]() ![]() References: UniProt: P17169, glutamine-fructose-6-phosphate transaminase (isomerizing) #2: Chemical | #3: Chemical | ChemComp-ACT / | #4: Chemical | #5: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.36 Å3/Da / Density % sol: 47.6 % |
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Crystal grow | Temperature: 295 K / Method: vapor diffusion, hanging drop / pH: 6.5 Details: 0.1 M cacodylate, 1 M sodium acetate, 20% PEG 4000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K |
-Data collection
Diffraction | Mean temperature: 295 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Nov 8, 1993 / Details: MIRROR |
Radiation | Monochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.99 Å / Relative weight: 1 |
Reflection | Resolution: 1.8→24 Å / Num. obs: 47043 / % possible obs: 99.9 % / Observed criterion σ(I): -3 / Redundancy: 5.2 % / Biso Wilson estimate: 18.3 Å2 / Rmerge(I) obs: 0.062 / Net I/σ(I): 14.4 |
Reflection shell | Resolution: 1.8→1.82 Å / Redundancy: 4.2 % / Rmerge(I) obs: 0.283 / Mean I/σ(I) obs: 3 / % possible all: 97.1 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 1GPH Resolution: 1.8→20 Å / Cor.coef. Fo:Fc: 0.973 / SU B: 1.645 / SU ML: 0.052 / Cross valid method: none used / σ(F): 0 / ESU R: 0.105 / Stereochemistry target values: MAXIMUM LIKELIHOOD
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: BABINET MODEL WITH MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 25.5 Å2
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Refine analyze | Luzzati coordinate error obs: 0.105 Å / Luzzati sigma a obs: 0.052 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.8→20 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.8→1.846 Å / Total num. of bins used: 20
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