6SCE
Structure of a Type III CRISPR defence DNA nuclease activated by cyclic oligoadenylate
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 293 | 20% PEG 3350, 0.2 M sodium citrate, 0.1 M bis-Tris propane, pH 6.5 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.15 | 61.01 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 84.37 | α = 90 |
b = 84.52 | β = 90 |
c = 123.1 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | 100 | PIXEL | DECTRIS PILATUS 6M-F | 2018-12-17 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I04-1 | 0.9159 | Diamond | I04-1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 1.82 | 59.7 | 100 | 0.07 | 0.999 | 18 | 13.3 | 78941 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.83 | 1.86 | 100 | 1.43 | 0.755 | 2 | 13.4 |
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 | SAD | THROUGHOUT | 1.83 | 59.7 | 74943 | 3921 | 99.95 | 0.17813 | 0.1765 | 0.20944 | RANDOM | 41.802 |
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] | |
-1.1 | -1.14 | 2.24 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 31.827 |
r_dihedral_angle_4_deg | 15.044 |
r_dihedral_angle_3_deg | 12.314 |
r_long_range_B_refined | 6.711 |
r_long_range_B_other | 6.711 |
r_dihedral_angle_1_deg | 5.737 |
r_scangle_other | 4.73 |
r_mcangle_it | 3.461 |
r_mcangle_other | 3.46 |
r_scbond_it | 3.03 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4832 |
Nucleic Acid Atoms | |
Solvent Atoms | 412 |
Heterogen Atoms | 88 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
xia2 | data reduction |
xia2 | data scaling |
AutoSol | phasing |