2GVE
Time-of-Flight Neutron Diffraction Structure of D-Xylose Isomerase
NEUTRON DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1XIB |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | LIQUID DIFFUSION | 8 | 293 | 50mM tris-HCl,38%AMSO4,2mM Mn2+ and 2mM Co2+,XI @ 125mg/ml, pH 8.0, LIQUID DIFFUSION, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.78 | 55.75 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 93.88 | α = 90 |
b = 99.68 | β = 90 |
c = 102.9 | γ = 90 |
Symmetry | |
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Space Group | I 2 2 2 |
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 | neutron | 293 | AREA DETECTOR | Time-of-Flight Multiwire He3 neutron detector | 2003-09-15 | L | LAUE |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | 0.7-7.0 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 1.8 | 20 | 78 | 0.185 | 34394 | 34394 | 3 | 1.5 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.8 | 1.94 | 39 | 0.262 | 3692 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
NEUTRON DIFFRACTION | MOLECULAR REPLACEMENT | 1XIB | 2.2 | 10 | 3 | 23312 | 23312 | 1184 | 0.271 | 0.268 | 0.319 | 5%, Random |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
s_angle_d | 0.173 |
s_anti_bump_dis_restr | 0.168 |
s_non_zero_chiral_vol | 0.055 |
s_zero_chiral_vol | 0.036 |
s_bond_d | 0.032 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3054 |
Nucleic Acid Atoms | |
Solvent Atoms | 512 |
Heterogen Atoms | 2 |
Software
Software | |
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Software Name | Purpose |
d*TREK | data reduction |
SHELXL-97 | model building |
SHELXL-97 | refinement |
d*TREK | data scaling |
SHELXL-97 | phasing |