8QL2
Ultrafast structural transitions in an azobenzene photoswitch at near-atomic resolution: dark structure
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 7YYQ |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 293 | 0.2M Ammonium sulfate, 0.1M Bis/Tris-methane pH=5.5, 21% PEG 3000 (m/v) |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.47 | 50.15 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 74.53 | α = 90 |
b = 92.58 | β = 96.71 |
c = 83.99 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | 293 | PIXEL | PSI JUNGFRAU 16M | 2020-09-20 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | FREE ELECTRON LASER | SwissFEL ARAMIS BEAMLINE ESA | 1.0 | SwissFEL ARAMIS | ESA |
Serial Crystallography
Sample delivery method | ||
---|---|---|
Diffraction ID | Description | Sample Delivery Method |
1 | injection |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | CC (Half) | R Split (All) | 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 | 11.09 | 100 | 0.992 | 0.075 | 9.53 | 2089.8 | 123960 | 30.36 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | R Split (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.7 | 1.76 | 100 | 0.694 | 0.7885 | 1.43 | 1000.6 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | MOLECULAR REPLACEMENT | FREE R-VALUE | 1.7 | 9.49 | 1.34 | 123589 | 1999 | 99.95 | 0.1619 | 0.1616 | 0.1808 |
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 |
f_dihedral_angle_d | 16.113 |
f_angle_d | 1.452 |
f_chiral_restr | 0.103 |
f_bond_d | 0.014 |
f_plane_restr | 0.009 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7891 |
Nucleic Acid Atoms | |
Solvent Atoms | 542 |
Heterogen Atoms | 90 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
CrystFEL | data reduction |
CrystFEL | data scaling |
PHENIX | phasing |