Bacteriorhodopsin, 33 ms state, ensemble refinement
Serial Crystallography (SX)
Starting Model(s)
Initial Refinement Model(s) |
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Type | Source | Accession Code | Details |
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|
experimental model | PDB | 5B6V | |
Crystallization
Crystalization Experiments |
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ID | Method | pH | Temperature | Details |
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1 | LIPIDIC CUBIC PHASE | 5.6 | 293 | 32% (w/v) PEG 2000, 0.1 M K2HPO4 /NaH2PO4 |
Crystal Properties |
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Matthews coefficient | Solvent content |
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2.27 | 45.7 |
Crystal Data
Unit Cell |
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Length ( Å ) | Angle ( ˚ ) |
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a = 62.1 | α = 90 |
b = 62.1 | β = 90 |
c = 109.6 | γ = 120 |
Diffraction
Diffraction Experiment |
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol |
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1 | 1 | x-ray | 293 | PIXEL | CS-PAD CXI-2 | | 2017-07-26 | M | SINGLE WAVELENGTH |
Radiation Source |
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
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1 | FREE ELECTRON LASER | SLAC LCLS BEAMLINE CXI | 1.26 | SLAC LCLS | CXI |
Data Collection
Overall |
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | 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 |
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1 | 2.1 | 21 | 100 | 0.143 | 5.3 | 144 | | 13984 | | | |
Highest Resolution Shell |
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Split (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) |
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1 | 2.1 | 2.2 | | | 0.714 | | | |
Refinement
Statistics |
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Diffraction ID | Structure Solution Method | Cross Validation 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 |
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X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 5B6V | 2.1 | 20.545 | 0.32 | 13984 | 700 | 100 | 0.1946 | 0.1919 | 0.2438 | |
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] |
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| | | | | |
RMS Deviations |
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Key | Refinement Restraint Deviation |
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f_dihedral_angle_d | 16.455 |
f_angle_d | 1.121 |
f_chiral_restr | 0.041 |
f_bond_d | 0.007 |
f_plane_restr | 0.006 |
Non-Hydrogen Atoms Used in Refinement |
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Non-Hydrogen Atoms | Number |
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Protein Atoms | 1787 |
Nucleic Acid Atoms | |
Solvent Atoms | 38 |
Heterogen Atoms | 227 |
Software
Software |
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Software Name | Purpose |
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PHENIX | refinement |
CrystFEL | data reduction |
CrystFEL | data scaling |
PHASER | phasing |