4BS7
Hen egg-white lysozyme structure determined at room temperature by in- situ diffraction and SAD phasing in ChipX
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | COUNTER-DIFFUSION | 4.5 | 293 | LYSOZYME WAS CRYSTALLIZED AT 293 K BY COUNTER-DIFFUSION IN A CHIPX MICROFLUIDIC DEVICE. MICROFLUIDIC CHANNELS WERE FILLED WITH A 50 MG/ML LYSOZYME SOLUTION CONTAINING 0.3% BETA-OCTYL-GLUCOSIDE (M/V) TO FACILITATE SAMPLE LOADING BY CAPILLARITY. CRYSTALLANT RESERVOIRS WERE FILLED WITH 1.8 M NACL, 0.1 M SODIUM ACETATE PH 4.5 AND 0.05 M HPDO3A-YB. |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.1 | 41 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 79.1 | α = 90 |
b = 79.1 | β = 90 |
c = 38.4 | γ = 90 |
Symmetry | |
---|---|
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 | 298 | PIXEL | DECTRIS PILATUS 2M | 2013-05-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X06DA | SLS | X06DA |
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 | 1.7 | 30 | 90.4 | 0.07 | 13.7 | 7.7 | 21245 | -3 | 29.35 |
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 | 1.7 | 1.85 | 93.9 | 0.21 | 4.3 | 5.9 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | SAD | NONE | 1.701 | 27.966 | 1.37 | 23130 | 1156 | 90.3 | 0.1865 | 0.1862 | 0.1925 | 30.73 |
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 | |
---|---|
Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 11.489 |
f_angle_d | 1.093 |
f_chiral_restr | 0.087 |
f_bond_d | 0.006 |
f_plane_restr | 0.003 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 1001 |
Nucleic Acid Atoms | |
Solvent Atoms | 55 |
Heterogen Atoms | 2 |
Software
Software | |
---|---|
Software Name | Purpose |
PHENIX | refinement |
XDS | data reduction |
XSCALE | data scaling |
SHELX | phasing |