7AHL
ALPHA-HEMOLYSIN FROM STAPHYLOCOCCUS AUREUS
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 6 | PROTEIN WAS CRYSTALLIZED BY MIXING EQUAL VOLUMES OF A PROTEIN SOLUTION OF 8 MG/ML PROTEIN, 25 MM BETA-OG, 10 MM TRIS AT PH 8.5 AND A PRECIPITANT SOLUTION OF 2.5 M (NH4)2SO4, 0.25% PEG 5K MONOMETHYL ETHER AND 75MM SODIUM CACODYLATE, PH 6.0. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3 | 60 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 151.92 | α = 90 |
b = 136.76 | β = 91.4 |
c = 135.12 | γ = 90 |
Symmetry | |
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Space Group | C 1 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 | 287 | IMAGE PLATE | RIGAKU | MIRRORS | 1994-08-01 | M |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH2R |
Data Collection
Overall | |||||||||||||||||||
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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 | 1.89 | 15 | 93.3 | 0.08 | 0.08 | 8.7 | 14.1 | 206863 | 2 |
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) | ||||||||||
1.89 | 2 | 94.4 | 0.083 | 0.349 | 3 | 2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | MIR | 1.89 | 8 | 2 | 93.3 | 0.199 | 0.199 | 0.257 | RANDOM |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
x_angle_deg | 1.66 |
x_bond_d | 0.012 |
x_bond_d_na | |
x_bond_d_prot | |
x_angle_d | |
x_angle_d_na | |
x_angle_d_prot | |
x_angle_deg_na | |
x_angle_deg_prot | |
x_dihedral_angle_d |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 16389 |
Nucleic Acid Atoms | |
Solvent Atoms | 818 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
PHASES | phasing |
X-PLOR | model building |
X-PLOR | refinement |
bioteX | data reduction |
bioteX | data scaling |
X-PLOR | phasing |