4N5R
Hen egg-white lysozyme phased using free-electron laser data
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1VDS | PDB ENTRY 1VDS |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | batch | 3 | 293 | 20 % NaCl, 6 % PEG 6000, 1 M Na acetate pH 3.0, stored in 8% NaCl, 0.1 M sodium acetate buffer, pH 4.0, soaked in storage solution + 100 mM gadoteridol, batch, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.14 | 42.5 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 79.1 | α = 90 |
b = 79.1 | β = 90 |
c = 39.2 | γ = 90 |
Symmetry | |
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Space Group | P 43 21 2 |
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 | 293 | PIXEL | Cornell-SLAC Pixel Array Detector (CSPAD) | 2013-03-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | FREE ELECTRON LASER | SLAC LCLS BEAMLINE CXI | 1.45 | SLAC LCLS | CXI |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.1 | 40 | 100 | 7294 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | PDB ENTRY 1VDS | 2.1 | 39.55 | 7287 | 7294 | 385 | 99.99 | 0.2322 | 0.23098 | 0.25632 | RANDOM | 32.54 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-0.27 | -0.27 | 0.53 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.663 |
r_dihedral_angle_4_deg | 18.229 |
r_dihedral_angle_3_deg | 14.043 |
r_dihedral_angle_1_deg | 5.711 |
r_scangle_it | 2.224 |
r_scbond_it | 1.347 |
r_angle_refined_deg | 1.285 |
r_mcangle_it | 0.862 |
r_angle_other_deg | 0.841 |
r_mcbond_it | 0.435 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 992 |
Nucleic Acid Atoms | |
Solvent Atoms | 52 |
Heterogen Atoms | 58 |
Software
Software | |
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Software Name | Purpose |
DAQ | data collection |
PHASER | phasing |
REFMAC | refinement |
CrystFEL | data reduction |
CrystFEL | data scaling |