8FWA
Phycocyanin structure from a modular droplet injector for serial femtosecond crystallography
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | BATCH MODE | 277 | 75 mM HEPES pH 7.0, 20 mM MgCl2, 9% PEG 3350 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.92 | 57.9 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 188.3 | α = 90 |
b = 188.3 | β = 90 |
c = 61.1 | γ = 120 |
Symmetry | |
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Space Group | H 3 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 | SLAC ePix10k | 2021-05-29 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | FREE ELECTRON LASER | SLAC LCLS BEAMLINE MFX | 1.285 | SLAC LCLS | MFX |
Serial Crystallography
Sample delivery method | ||
---|---|---|
Diffraction ID | Description | Sample Delivery Method |
1 | Segmnteted Flow | injection |
Measurement | |||||
---|---|---|---|---|---|
Diffraction ID | Pulse Duration | Pulse Repetition Rate | Focal Spot Size | Pulse Energy | Photons Per Pulse |
1 | 40 | 120 |
Data Reduction | |||
---|---|---|---|
Diffraction ID | Frames Indexed | Crystal Hits | Total Frames |
1 | 5216 | 7465 | 625979 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | CC (Half) | 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 | 24.6 | 100 | 0.717 | 1.8 | 28 | 54596 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2 | 2.1 | 0.144 | 0.6 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | 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 | 2 | 22.31 | 26538 | 1380 | 99.84 | 0.20632 | 0.2043 | 0.24512 | RANDOM | 28.553 |
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] | |
0.65 | 0.33 | 0.65 | -2.12 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_3_deg | 14.117 |
r_dihedral_angle_1_deg | 5.736 |
r_long_range_B_refined | 5.445 |
r_long_range_B_other | 5.425 |
r_scangle_other | 3.769 |
r_dihedral_angle_2_deg | 3.413 |
r_scbond_it | 2.456 |
r_scbond_other | 2.455 |
r_mcangle_other | 1.935 |
r_mcangle_it | 1.934 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2499 |
Nucleic Acid Atoms | |
Solvent Atoms | 126 |
Heterogen Atoms | 130 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
CrystFEL | data reduction |
Aimless | data scaling |
MOLREP | phasing |