3UR8
Lower-density crystal structure of potato endo-1,3-beta-glucanase
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3UR7 | PDB ENTRY 3UR7 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 292 | 0.1 M sodium acetate, 0.2 M ammonium acetate, 25% PEG 4000, 15 mM glucose, streak seeding, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 292K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.03 | 39.34 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 75.361 | α = 90 |
b = 49.056 | β = 103.56 |
c = 82.618 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | IMAGE PLATE | MAR555 FLAT PANEL | mirrors | 2007-02-04 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE X11 | 0.8148 | EMBL/DESY, HAMBURG | X11 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
1 | 1.26 | 40 | 95.4 | 0.059 | 19.2 | 4.6 | 151662 | 151662 | -3 | 12.9 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.26 | 1.31 | 93.8 | 0.467 | 2 | 3.3 | 14787 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | R free | PDB ENTRY 3UR7 | 1.26 | 19.54 | 149903 | 149903 | 1654 | 95.04 | 0.14277 | 0.14277 | 0.14235 | 0.18244 | RANDOM | 9.348 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
0.01 | -0.01 | -0.02 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.975 |
r_dihedral_angle_4_deg | 15.339 |
r_dihedral_angle_3_deg | 11.999 |
r_sphericity_free | 10.821 |
r_dihedral_angle_1_deg | 6.297 |
r_sphericity_bonded | 5.096 |
r_scangle_it | 4.627 |
r_scbond_it | 3.554 |
r_mcangle_it | 2.493 |
r_mcbond_it | 2.097 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5091 |
Nucleic Acid Atoms | |
Solvent Atoms | 763 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
MAR345dtb | data collection |
MOLREP | phasing |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |