2OH8
Myoglobin cavity mutant I28W
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 9 | 293 | PROTEIN SOLUTION (20 MG/ML PROTEIN, 0.020 M TRIS-HCL, pH9.0), MIXED IN A 1:1 RATIO WITH THE WELL SOLUTION (2.8 M AMMONIUM SULPHATE, 0.050 M TRIS-HCL, pH9.0). cryo-protected with 20% SUCROSE, vapor diffusion, hanging drop, temperature 293K, VAPOR DIFFUSION, HANGING DROP |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.18 | 61.27 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 91.438 | α = 90 |
b = 91.438 | β = 90 |
c = 45.9 | γ = 120 |
Symmetry | |
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Space Group | P 6 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | IMAGE PLATE | RIGAKU RAXIS IV | 2000-05-12 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.8 | 45.89 | 91.3 | 0.039 | 14.8 | 4.25 | 20060 | 15.2 |
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) | |||||||||||
1.8 | 1.86 | 53.1 | 0.168 | 3.9 | 1.41 | 2102 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1.8 | 45.89 | 20488 | 19861 | 944 | 96.9 | 0.156 | 0.18 | random | 19.34 |
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] | |
0.3 | 0.74 | 0.3 | -0.6 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
x_torsion_deg | 18.7 |
x_scangle_it | 4.58 |
x_scbond_it | 2.96 |
x_mcangle_it | 2.04 |
x_angle_deg | 2 |
x_mcbond_it | 1.45 |
x_torsion_impr_deg | 1.12 |
x_bond_d | 0.017 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1230 |
Nucleic Acid Atoms | |
Solvent Atoms | 142 |
Heterogen Atoms | 53 |
Software
Software | |
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Software Name | Purpose |
d*TREK | data processing |
CNS | refinement |
PDB_EXTRACT | data extraction |
d*TREK | data scaling |