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- PDB-3czj: E. COLI (lacZ) BETA-GALACTOSIDASE (N460T) IN COMPLEX WITH D-GALCT... -
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Open data
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Basic information
Entry | Database: PDB / ID: 3czj | ||||||
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Title | E. COLI (lacZ) BETA-GALACTOSIDASE (N460T) IN COMPLEX WITH D-GALCTOPYRANOSYL-1-ONE | ||||||
![]() | Beta-galactosidase | ||||||
![]() | HYDROLASE / Asn-460-Thr BETA-GALACTOSIDASE HYDROLASE TIM BARREL (ALPHA/BETA BARREL) JELLY-ROLL BARREL IMMUNOGLOBULIN BETA SUPERSANDWICH / Glycosidase | ||||||
Function / homology | ![]() alkali metal ion binding / lactose catabolic process / beta-galactosidase complex / beta-galactosidase / beta-galactosidase activity / carbohydrate binding / magnesium ion binding / identical protein binding Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Huber, R.E. / Dugdale, M.L. / Fraser, M.E. / Tammam, S.D. | ||||||
![]() | ![]() Title: Practical Considerations When Using Temperature to Obtain Rate Constants and Activation Thermodynamics of Enzymes with Two Catalytic Steps: Native and N460T-beta-Galactosidase (E. coli) as Examples. Authors: Kappelhoff, J.C. / Liu, S.Y. / Dugdale, M.L. / Dymianiw, D.L. / Linton, L.R. / Huber, R.E. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 881.2 KB | Display | ![]() |
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PDB format | ![]() | 708.7 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 539.4 KB | Display | ![]() |
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Full document | ![]() | 601.8 KB | Display | |
Data in XML | ![]() | 165.9 KB | Display | |
Data in CIF | ![]() | 242.3 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1dpoS 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
-Protein / Sugars , 2 types, 8 molecules ABCD![](data/chem/img/149.gif)
![](data/chem/img/149.gif)
#1: Protein | Mass: 116493.266 Da / Num. of mol.: 4 / Mutation: N461T Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() #2: Sugar | ChemComp-149 / |
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-Non-polymers , 4 types, 2726 molecules ![](data/chem/img/MG.gif)
![](data/chem/img/NA.gif)
![](data/chem/img/DMS.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/NA.gif)
![](data/chem/img/DMS.gif)
![](data/chem/img/HOH.gif)
#3: Chemical | ChemComp-MG / #4: Chemical | ChemComp-NA / #5: Chemical | ChemComp-DMS / #6: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.66 Å3/Da / Density % sol: 53.67 % |
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Crystal grow | Temperature: 288 K / Method: vapor diffusion, hanging drop / pH: 6.5 Details: PEG 8000, NaCl, MgCl2, DTT, Bis-Tris, pH 6.5, HANGING DROP at 288K, pH 6.50, VAPOR DIFFUSION, HANGING DROP |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 210 / Detector: CCD / Date: Aug 25, 2006 / Details: KOHZU: Double Crystal Si(111) |
Radiation | Monochromator: Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.11587 Å / Relative weight: 1 |
Reflection | Resolution: 2.05→75.05 Å / Num. all: 249249 / Num. obs: 249249 / % possible obs: 81.1 % / Observed criterion σ(F): 0 / Redundancy: 2.06 % / Biso Wilson estimate: 10.6 Å2 / Limit h max: 73 / Limit h min: 0 / Limit k max: 59 / Limit k min: 0 / Limit l max: 92 / Limit l min: 0 / Observed criterion F max: 6262287.43 / Observed criterion F min: 9.827 |
Reflection shell | Highest resolution: 2.05 Å / Redundancy: 2.06 % / Mean I/σ(I) obs: 13 / Num. unique all: 308903 / % possible all: 81.1 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB entry 1DPO Resolution: 2.05→75.05 Å / Rfactor Rfree error: 0.004 / Occupancy max: 1 / Occupancy min: 1 / Isotropic thermal model: Isotropic / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber Details: Cross-validation method: -> "throughout" Free R value test set selection criteria: -> "random" Number of non-hydrogen atoms used in refinement. Polymer 32496 Nonpolymer 1106 Solvent 2072 CNS ...Details: Cross-validation method: -> "throughout" Free R value test set selection criteria: -> "random" Number of non-hydrogen atoms used in refinement. Polymer 32496 Nonpolymer 1106 Solvent 2072 CNS Parameter files: CNS_TOPPAR/protein_rep.param CNS_TOPPAR/water.param CNS_TOPPAR/ion.param ../dms_xplor_par.txt ../149_xplor_par.txt CNS Topology files: CNS_TOPPAR/protein.top CNS_TOPPAR/water.top CNS_TOPPAR/ion.top ../dms_xplor_top.txt ../149_xplor_top.txt
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Solvent computation | Solvent model: CNS bulk solvent model used / Bsol: 55.9575 Å2 / ksol: 0.4 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 108.16 Å2 / Biso mean: 18.43 Å2 / Biso min: 1.41 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.05→75.05 Å
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Refine LS restraints |
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LS refinement shell | Refine-ID: X-RAY DIFFRACTION
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