1ENF
CRYSTAL STRUCTURE OF STAPHYLOCOCCAL ENTEROTOXIN H DETERMINED TO 1.69 A RESOLUTION
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | EVAPORATION | 4.3 | 298 | 16% PEG 8000, 500 mM Li2SO4, 5 mM CaCl2, pH 4.3, EVAPORATION, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.15 | 60.98 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 84.85 | α = 90 |
b = 84.85 | β = 90 |
c = 223.59 | γ = 120 |
Symmetry | |
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Space Group | H 3 2 |
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 | MARRESEARCH | 1998-08-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | MAX II BEAMLINE I711 | MAX II | I711 |
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 | 1.69 | 23 | 95 | 0.052 | 3.9 | 35745 | 33815 | 16.8 |
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 | 1.68 | 1.75 | 71 | 0.225 |
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-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1.69 | 23 | 33815 | 33813 | 1686 | 96.1 | 0.164 | 0.164 | 0.187 | RANDOM | 18.1 |
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] | |
1.93 | 1.84 | 1.93 | -3.87 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 26.2 |
c_scangle_it | 3.04 |
c_scbond_it | 2.05 |
c_angle_deg | 2 |
c_mcangle_it | 1.49 |
c_improper_angle_d | 1.37 |
c_mcbond_it | 1.01 |
c_bond_d | 0.023 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1726 |
Nucleic Acid Atoms | |
Solvent Atoms | 246 |
Heterogen Atoms | 65 |
Software
Software | |
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Software Name | Purpose |
MAR345 | data collection |
XDS | data reduction |
AMoRE | phasing |
CNS | refinement |
XDS | data scaling |