3C7O
Crystal structure of a glycoside hydrolase family 43 arabinoxylan arabinofuranohydrolase from Bacillus subtilis in complex with cellotetraose.
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5 | 277 | 4.0 M sodium formate, 30% sucrose, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.54 | 51.58 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 67.99 | α = 90 |
b = 73.08 | β = 90 |
c = 105.69 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | PIXEL | PILATUS 6M | 2007-07-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X10SA | 1.0011 | SLS | X10SA |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 30 | 92 | 0.086 | 8.6 | 19 | 6.8 | 45414 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.8 | 1.9 | 85.4 | 0.292 | 29.2 | 5.4 | 6.6 | 6055 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.8 | 29.59 | 42982 | 2393 | 91.61 | 0.15202 | 0.15074 | 0.17483 | RANDOM | 17.515 |
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] | |
1.06 | -0.68 | -0.38 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.243 |
r_dihedral_angle_4_deg | 17.728 |
r_dihedral_angle_1_deg | 15.743 |
r_dihedral_angle_3_deg | 12.085 |
r_scangle_it | 2.729 |
r_scbond_it | 1.804 |
r_angle_refined_deg | 1.503 |
r_mcangle_it | 1.284 |
r_mcbond_it | 0.736 |
r_nbtor_refined | 0.311 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3658 |
Nucleic Acid Atoms | |
Solvent Atoms | 440 |
Heterogen Atoms | 93 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
iMOSFLM | data reduction |
SCALA | data scaling |
PHASER | phasing |