Mosquitocidal Cry11Ba determined at pH 10.4 from naturally-occurring nanocrystals by Serial femtosecond crystallography
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 | 7QYD | |
Crystallization
Crystalization Experiments |
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ID | Method | pH | Temperature | Details |
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1 | IN CELL | 10.4 | 303 | crystallized in vivo |
Crystal Properties |
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Matthews coefficient | Solvent content |
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2.33 | 47.29 |
Crystal Data
Unit Cell |
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Length ( Å ) | Angle ( ˚ ) |
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a = 167.499 | α = 90 |
b = 157.992 | β = 90 |
c = 57.428 | γ = 90 |
Symmetry |
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Space Group | P 21 21 2 |
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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 | 298 | PIXEL | CS-PAD CXI-2 | | 2018-11-15 | 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 | 1.303351 | SLAC LCLS | CXI |
Serial Crystallography
Sample delivery method |
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Diffraction ID | Description | Sample Delivery Method |
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1 | microfluidic electrokinetic sample holder | injection |
Measurement |
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Diffraction ID | Pulse Duration | Pulse Repetition Rate | Focal Spot Size | Pulse Energy | Photons Per Pulse |
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1 | 41 (fs) | 120 | 1 | 9.5 (KeV) | |
Data Reduction |
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Diffraction ID | Frames Indexed | Crystal Hits | Frames Indexed | Latices Merged |
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1 | | | | |
Injection |
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Diffraction ID | Description | Flow Rate | Injector Diameter | Injection Power | Injector Nozzle | Filter Size | Carrier Solvent |
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1 | microfluidic electrokinetic sample holder | 1 (µl/min) | undefined (µm) | | | | 50% glycerol, 0.1M CAPS buffer pH 10.4 |
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 | 2.65 | 35.72 | 99.4 | 0.985 | 0.224 | 3.98 | 77 | | 45243 | | | 32.2 |
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 | 2.65 | 2.7 | 100 | | 0.152 | 0.84 | 1.02 | 21 | |
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B |
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X-RAY DIFFRACTION | FOURIER SYNTHESIS | FREE R-VALUE | 7QYD | 2.65 | 35.72 | 1.34 | 45228 | 4525 | 99.97 | 0.2376 | 0.2365 | 0.24 | 0.2473 | 0.25 | 45.39 |
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 | 10.6432 |
f_angle_d | 0.4083 |
f_chiral_restr | 0.041 |
f_plane_restr | 0.0033 |
f_bond_d | 0.0015 |
Non-Hydrogen Atoms Used in Refinement |
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Non-Hydrogen Atoms | Number |
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Protein Atoms | 9900 |
Nucleic Acid Atoms | |
Solvent Atoms | 119 |
Heterogen Atoms | 12 |
Software
Software |
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Software Name | Purpose |
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PHENIX | refinement |
cctbx.xfel | data reduction |
cctbx.prime | data scaling |
PHENIX | phasing |