3NIY
Crystal structure of native xylanase 10B from Thermotoga petrophila RKU-1
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 4.3 | 291 | PEG8000 glycerol sodium acetate litium sulfate, pH 4.3, VAPOR DIFFUSION, SITTING DROP, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.3 | 46.5 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 58.538 | α = 84.54 |
b = 58.554 | β = 70.82 |
c = 61.579 | γ = 68.87 |
Symmetry | |
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Space Group | P 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 | CCD | MARMOSAIC 225 mm CCD | 2010-05-03 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | LNLS BEAMLINE W01B-MX2 | 1.458 | LNLS | W01B-MX2 |
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 | 1.58 | 31.24 | 92.8 | 0.101 | 95840 | 91930 | 3 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1.58 | 1.64 | 86.8 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1.58 | 31.24 | 87311 | 4584 | 92.5 | 0.1598 | 0.15792 | 0.19551 | RANDOM | 16.641 |
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] | |
-0.37 | -0.01 | -0.09 | 0.18 | -0.47 | 0.35 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 31.943 |
r_dihedral_angle_4_deg | 20.297 |
r_dihedral_angle_3_deg | 13.328 |
r_dihedral_angle_1_deg | 6.279 |
r_scangle_it | 6.16 |
r_scbond_it | 3.865 |
r_mcangle_it | 2.463 |
r_angle_refined_deg | 2.415 |
r_mcbond_it | 1.518 |
r_chiral_restr | 0.187 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5440 |
Nucleic Acid Atoms | |
Solvent Atoms | 616 |
Heterogen Atoms | 45 |
Software
Software | |
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Software Name | Purpose |
MAR345dtb | data collection |
MOLREP | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |