7S2U
Crystal structure of hen egg white lysozyme
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | EVAPORATION | 4.6 | 295 | 1.2 M NaCl, 100 mM Sodium Acetate, 50 mg/mL Lyzozyme, 30% Glycerol for cryoprotection |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.96 | 37.26 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 77.813 | α = 90 |
b = 77.813 | β = 90 |
c = 37.123 | γ = 90 |
Symmetry | |
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Space Group | P 43 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 125 | CCD | OXFORD TITAN CCD | 2020-12-12 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SEALED TUBE | OXFORD DIFFRACTION ENHANCE ULTRA | 1.54056 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | 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 | 1.6 | 13.76 | 99.5 | 0.048 | 0.999 | 15.5 | 4.3 | 15503 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.6 | 1.63 | 97.6 | 0.341 | 0.843 | 2.8 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 6qwy | 1.6 | 13.76 | 14684 | 785 | 99.36 | 0.1874 | 0.1863 | 0.2079 | RANDOM | 15.838 |
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] | |
0.11 | 0.11 | -0.23 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 30.405 |
r_dihedral_angle_3_deg | 12.69 |
r_dihedral_angle_4_deg | 11.446 |
r_dihedral_angle_1_deg | 6.915 |
r_angle_refined_deg | 1.738 |
r_angle_other_deg | 1.589 |
r_chiral_restr | 0.089 |
r_bond_refined_d | 0.011 |
r_gen_planes_refined | 0.01 |
r_gen_planes_other | 0.003 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1000 |
Nucleic Acid Atoms | |
Solvent Atoms | 129 |
Heterogen Atoms | 1 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data reduction |
Aimless | data scaling |
MOLREP | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |