4F3M
Crystal structure of CRISPR-associated protein
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 291.5 | 0.1 M MES, 0.8 M Ammonium sulfate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 291.5K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.33 | 47.22 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 86.509 | α = 90 |
b = 46.687 | β = 104.01 |
c = 129.03 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
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 | CCD | ADSC QUANTUM 210 | 2010-10-29 | M | SINGLE WAVELENGTH | ||||||
2 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315 | 2011-07-11 | M | SINGLE WAVELENGTH | ||||||
3 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315 | 2011-03-24 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | CHESS BEAMLINE A1 | 0.9770 | CHESS | A1 |
2 | SYNCHROTRON | APS BEAMLINE 24-ID-C | 1.00 | APS | 24-ID-C |
3 | SYNCHROTRON | APS BEAMLINE 24-ID-E | 0.98 | APS | 24-ID-E |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | 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 | 1.7 | 20 | 91.8 | 50063 | 2 | 2 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 1.7 | 1.73 | 76.7 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | 1.71 | 20 | 50063 | 50063 | 2553 | 91.35 | 0.1565 | 0.1525 | 0.2301 | RANDOM | 25.535 |
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] | |
2.46 | 0.72 | -1.44 | -0.68 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.073 |
r_sphericity_free | 29.351 |
r_sphericity_bonded | 19.077 |
r_dihedral_angle_4_deg | 18.376 |
r_dihedral_angle_3_deg | 14.892 |
r_rigid_bond_restr | 7.4 |
r_dihedral_angle_1_deg | 6.346 |
r_angle_refined_deg | 1.685 |
r_chiral_restr | 0.128 |
r_bond_refined_d | 0.019 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3486 |
Nucleic Acid Atoms | |
Solvent Atoms | 435 |
Heterogen Atoms | 29 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
HKL-2000 | data collection |
SOLVE | phasing |