Macromolecular diffractive imaging using imperfect crystals
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 | 3ARC | |
Crystallization
Crystalization Experiments |
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ID | Method | pH | Temperature | Details |
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1 | LIQUID DIFFUSION | | 283.18 | 100 mM Pipes pH 7.0, 5 mM CaCl2, 10 mM tocopherol, and 10-17% PEG 2000 |
Crystal Data
Unit Cell |
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Length ( Å ) | Angle ( ˚ ) |
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a = 250.8 | α = 90 |
b = 250.8 | β = 90 |
c = 250.8 | γ = 90 |
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 | 293.15 | PIXEL | CS-PAD CXI-1 | | 2014-10-02 | 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 | 1.308 | SLAC LCLS | CXI |
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 |
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1 | 3.5 | 30 | 99 | 0.99 | 0.1148 | 5.01 | 1 | | 769253 | | | |
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) |
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1 | 4.5 | 4.62 | | | 0.94 | 0.4616 | 1.49 | | |
Refinement
Statistics |
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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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B |
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X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 3ARC | 3.5 | 29.976 | 769254 | 37657 | 99.95 | 0.3245 | 0.3242 | 0.34 | 0.3305 | 0.34 | Random Selection | |
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 | 22.991 |
f_angle_d | 1.718 |
f_chiral_restr | 0.651 |
f_bond_d | 0.013 |
f_plane_restr | 0.011 |
Non-Hydrogen Atoms Used in Refinement |
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Non-Hydrogen Atoms | Number |
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Protein Atoms | 41274 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 8320 |
Software
Software |
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Software Name | Purpose |
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PHENIX | refinement |
PHASER | phasing |
PDB_EXTRACT | data extraction |
CrystFEL | data reduction |
CrystFEL | data scaling |