7RB4
Crystal structure of Peptono Toxin, a diphtheria toxin homolog, from Seinonella peptonophila
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 293 | 1 uL SPT (15.8 mg/mL in 20 mM Tris pH 8.0, 150 mM NaCl) and 1 uL mother liquor (100 mM potassium iodide, 22% PEG3350) dehydrated over 200 uL of mother liquor |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.16 | 43 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 77.653 | α = 90 |
b = 82.456 | β = 90 |
c = 91.815 | 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 | 2019-02-06 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS-II BEAMLINE 17-ID-1 | 2.0 | 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 | 2.185 | 59.291 | 92.7 | 0.118 | 0.124 | 0.047 | 0.996 | 16.4 | 11.5 | 28929 | 28.59 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.185 | 2.192 | 54 | 0.587 | 0.69 | 0.353 | 0.663 | 3.3 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | SAD | FREE R-VALUE | 2.19 | 59.29 | 1.4 | 28814 | 1462 | 92.66 | 0.2024 | 0.2012 | 0.2243 | 33.38 |
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 | 12.9158 |
f_angle_d | 0.4885 |
f_chiral_restr | 0.0425 |
f_plane_restr | 0.0039 |
f_bond_d | 0.0018 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4662 |
Nucleic Acid Atoms | |
Solvent Atoms | 392 |
Heterogen Atoms | 26 |
Software
Software | |
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Software Name | Purpose |
autoPROC | data processing |
autoPROC | data reduction |
autoPROC | data scaling |
PHENIX | phasing |
PHENIX | refinement |