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- PDB-1fsf: GLUCOSAMINE-6-PHOSPHATE DEAMINASE FROM E.COLI, T CONFORMER, AT 1.... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1fsf | ||||||
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Title | GLUCOSAMINE-6-PHOSPHATE DEAMINASE FROM E.COLI, T CONFORMER, AT 1.9A RESOLUTION | ||||||
![]() | GLUCOSAMINE-6-PHOSPHATE DEAMINASE | ||||||
![]() | ISOMERASE / ALLOSTERIC ENZYME / ENTROPIC EFFECTS / ALDOSE-KETOSE ISOMERASE / ANISOTROPIC REFINEMENT | ||||||
Function / homology | ![]() glucosamine catabolic process / glucosamine-6-phosphate deaminase / glucosamine-6-phosphate deaminase activity / N-acetylglucosamine catabolic process / N-acetylneuraminate catabolic process / UDP-N-acetylglucosamine biosynthetic process / carbohydrate metabolic process / identical protein binding / cytosol / cytoplasm Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Rudino-Pinera, E. / Morales-Arrieta, S. / Rojas-Trejo, S.P. / Horjales, E. | ||||||
![]() | ![]() Title: Structural flexibility, an essential component of the allosteric activation in Escherichia coli glucosamine-6-phosphate deaminase. Authors: Rudino-Pinera, E. / Morales-Arrieta, S. / Rojas-Trejo, S.P. / Horjales, E. #1: ![]() Title: Structure and catalytic mechanism of glucosamine-6-phosphate deaminase from Escherichia coli at 2.1A resolution Authors: Oliva, G. / Fontes, M.R.M. / Garratt, R.C. / Altamirano, M.M. / Calcagno, M.L. / Horjales, E. #2: ![]() Title: The allosteric transition of glucosamine-6-phosphate deaminase: the structure of the T state at 2.3A resolution Authors: Horjales, E. / Altamirano, M.M. / Calcagno, M.L. / Garratt, R.C. / Oliva, G. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 125.1 KB | Display | ![]() |
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PDB format | ![]() | 97.8 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related 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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Details | The biological assembly is a hexamer constructed from monomers A by two-fold and then a three-fold |
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Components
#1: Protein | Mass: 29812.211 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
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#2: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 4.04 Å3/Da / Density % sol: 69.6 % | ||||||||||||||||||||||||
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Crystal grow | Temperature: 291 K / Method: vapor diffusion, hanging drop / pH: 6.8 Details: HEPES, sodium acetate, pH 6.8, VAPOR DIFFUSION, HANGING DROP at 291K | ||||||||||||||||||||||||
Crystal grow | *PLUS Method: vapor diffusion | ||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 110 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MACSCIENCE DIP100S / Detector: IMAGE PLATE / Date: Jan 7, 1999 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.782 Å / Relative weight: 1 |
Reflection | Resolution: 1.9→50 Å / Num. all: 48346 / % possible obs: 92.2 % / Observed criterion σ(F): 0 / Redundancy: 3.4 % / Biso Wilson estimate: 24.8 Å2 / Rmerge(I) obs: 0.072 / Net I/σ(I): 6.9 |
Reflection shell | Resolution: 1.9→2.02 Å / Redundancy: 2.9 % / Rmerge(I) obs: 0.325 / Num. unique all: 7806 / % possible all: 90.9 |
Reflection | *PLUS Num. obs: 48346 / % possible obs: 93.1 % |
Reflection shell | *PLUS Lowest resolution: 1.95 Å / % possible obs: 91.2 % / Rmerge(I) obs: 0.326 / Mean I/σ(I) obs: 2.3 |
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Processing
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Refinement | Resolution: 1.9→50 Å / Num. parameters: 21513 / Num. restraintsaints: 25995 / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: ENGH & HUBER Details: FIRST REFINED WITH A CNS ISOTROPIC REFINEMENT AND THEN BY SHELXL ANISOTROPIC REFINEMENT
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 54.5571 Å2 / ksol: 0.370572 e/Å3 | ||||||||||||||||||||||||||||||||||||||||
Refine analyze | Num. disordered residues: 0 / Occupancy sum hydrogen: 0 / Occupancy sum non hydrogen: 2390
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Refinement step | Cycle: LAST / Resolution: 1.9→50 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.9→2.02 Å / Rfactor Rfree error: 0.011 / Total num. of bins used: 6
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Software | *PLUS Name: 'CNS, SHELXL' / Version: '0.5, 97' / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Lowest resolution: 50 Å / σ(F): 0 / % reflection Rfree: 10 % / Rfactor obs: 0.183 | ||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor Rfree: 0.295 / % reflection Rfree: 9.8 % / Rfactor Rwork: 0.274 / Rfactor obs: 0.274 |