7DFN
Crystal structure of glycoside hydrolase family 11 beta-xylanase from Streptomyces olivaceoviridis E-86 in complex with alpha-L-arabinofuranosyl xylotetraose
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.4 | 293 | 2.9 M sodium chloride, 0.1 M sodium citrate buffer pH 5.4 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.08 | 40.98 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 134.233 | α = 90 |
b = 134.233 | β = 90 |
c = 72.235 | γ = 120 |
Symmetry | |
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Space Group | P 32 2 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 | 95 | PIXEL | DECTRIS PILATUS3 2M | 2018-12-05 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | PHOTON FACTORY BEAMLINE AR-NW12A | 1.0000 | Photon Factory | AR-NW12A |
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 | 2 | 100 | 99.8 | 0.257 | 11.3 | 17.4 | 50743 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2 | 2.05 | 1.11 | 2.2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 7DFM | 2 | 49.217 | 50712 | 2660 | 99.768 | 0.167 | 0.1649 | 0.2093 | ramdom | 21.721 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
0.681 | 0.34 | 0.681 | -2.209 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.8 |
r_dihedral_angle_4_deg | 16.018 |
r_dihedral_angle_3_deg | 13.096 |
r_dihedral_angle_1_deg | 8.542 |
r_lrange_it | 4.33 |
r_lrange_other | 4.307 |
r_scangle_it | 3.111 |
r_scangle_other | 3.111 |
r_mcangle_it | 2.173 |
r_mcangle_other | 2.173 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5965 |
Nucleic Acid Atoms | |
Solvent Atoms | 451 |
Heterogen Atoms | 198 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL-2000 | data reduction |
SCALEPACK | data scaling |
MOLREP | phasing |