8I16
Crystal structure of the selenomethionine (SeMet)-derived Cas12g (D513A) mutant
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 289 | 0.1 M BIS-TRIS (pH 6.5) and 25% polyethylene glycol 3,350 (w/v) |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.8 | 56.02 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 64.07 | α = 90 |
b = 95.12 | β = 90 |
c = 167.51 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315r | 2019-05-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRF BEAMLINE BL17U1 | 0.9792 | SSRF | BL17U1 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.24 | 62.86 | 99.4 | 0.091 | 0.997 | 17 | 13 | 49819 |
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 | 2.24 | 2.3 | 98.2 | 0.786 | 2.3 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.24 | 62.86 | 47341 | 2416 | 99.32 | 0.2262 | 0.22398 | 0.26849 | RANDOM | 64.312 |
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] | |
0.25 | 3.42 | -3.67 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 31.262 |
r_dihedral_angle_3_deg | 20.269 |
r_dihedral_angle_4_deg | 19.893 |
r_long_range_B_refined | 11.748 |
r_long_range_B_other | 11.747 |
r_scangle_other | 9.306 |
r_mcangle_it | 7.94 |
r_mcangle_other | 7.939 |
r_dihedral_angle_1_deg | 7.234 |
r_scbond_it | 6.109 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5338 |
Nucleic Acid Atoms | |
Solvent Atoms | 42 |
Heterogen Atoms | 2 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
xia2 | data reduction |
xia2 | data scaling |
PHENIX | phasing |