8SJ2
Structure of ternary complex of cGAS with dsDNA and bound ATP and 2'-dGTP
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4LEZ |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 277.15 | 0.2 M ammonium acetate, 32% MPD, 0.1 M Bis-Tris, pH 6.5 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.58 | 52.42 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 78.634 | α = 90 |
b = 98.851 | β = 90 |
c = 142.778 | 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 EIGER X 9M | 2021-11-09 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS-II BEAMLINE 17-ID-1 | 0.9201 | NSLS-II | 17-ID-1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 2.23 | 29.72 | 99.3 | 0.076 | 0.082 | 0.032 | 0.998 | 12.3 | 6.7 | 54457 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 2.23 | 2.3 | 92.9 | 0.702 | 0.768 | 0.306 | 0.816 | 6 |
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 | R-Free | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB entry 4LEZ | 2.23 | 29.72 | 1.97 | 54296 | 1999 | 99.15 | 0.2002 | 0.1989 | 0.2342 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 23.941 |
f_angle_d | 1.019 |
f_chiral_restr | 0.054 |
f_plane_restr | 0.01 |
f_bond_d | 0.009 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5777 |
Nucleic Acid Atoms | 1464 |
Solvent Atoms | 115 |
Heterogen Atoms | 128 |
Software
Software | |
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Software Name | Purpose |
XDS | data reduction |
Aimless | data scaling |
MOLREP | phasing |
Coot | model building |
PHENIX | refinement |
PDB_EXTRACT | data extraction |