7AK9
Structure of Salmonella TacT3 toxin bound to TacA3 antitoxin C-terminal peptide
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8 | 277 | 0.2M Ammonium phosphate dibasic 20% PEG3350 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.78 | 55.82 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 56.671 | α = 90 |
b = 76.633 | β = 90 |
c = 119.655 | 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 | 2018-03-11 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I04 | 0.9795 | Diamond | I04 |
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 | 2.55 | 32.27 | 100 | 0.18 | 0.188 | 0.053 | 0.997 | 10 | 12.4 | 17644 |
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 | 2.55 | 2.59 | 94.97 | 0.913 | 0.953 | 0.272 | 0.521 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | 6G96 | 2.55 | 31.76 | 16612 | 847 | 98.89 | 0.2287 | 0.2262 | 0.2817 | RANDOM | 54.05 |
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 | 0.6 | -2.6 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.613 |
r_dihedral_angle_4_deg | 20.105 |
r_dihedral_angle_3_deg | 15.868 |
r_dihedral_angle_1_deg | 6.642 |
r_angle_refined_deg | 1.369 |
r_angle_other_deg | 1.165 |
r_chiral_restr | 0.053 |
r_bond_refined_d | 0.005 |
r_gen_planes_refined | 0.005 |
r_bond_other_d | 0.001 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3073 |
Nucleic Acid Atoms | |
Solvent Atoms | 69 |
Heterogen Atoms | 88 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
xia2 | data scaling |
PDB_EXTRACT | data extraction |
xia2 | data reduction |
PHASER | phasing |