8TGD
STX-478, a Mutant-Selective, Allosteric Inhibitor bound to H1047R PI3Kalpha
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.8 | 293 | 0.5 M NaCl, 0.1 M MES-NaOH pH 6.8, 5% w/v PEG 3350 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.98 | 58.74 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 86.154 | α = 90 |
b = 124.502 | β = 92.86 |
c = 165.418 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | PIXEL | DECTRIS PILATUS3 2M | 2021-09-09 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE MASSIF-1 | 0.965459 | ESRF | MASSIF-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 | 2.928 | 34.42 | 94.1 | 0.0967 | 0.1087 | 0.0486 | 0.998 | 11.52 | 4.78 | 55994 |
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 | 2.928 | 3.335 | 65.3 | 0.9867 | 1.1039 | 0.4873 | 0.582 | 1.72 | 4.96 |
Refinement
Statistics | |||||||||||||||||||
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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 | FOURIER SYNTHESIS | THROUGHOUT | 2.928 | 34.42 | 55994 | 2840 | 74.5 | 0.2192 | 0.2175 | 0.2516 | RANDOM | 132.68 |
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] | |
-9.9998 | 0.4243 | 4.7415 | 5.2583 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
t_other_torsion | 15.26 |
t_omega_torsion | 2.38 |
t_angle_deg | 0.89 |
t_bond_d | 0.008 |
t_dihedral_angle_d | |
t_gen_planes | |
t_it | |
t_chiral_improper_torsion | |
t_ideal_dist_contact |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 20845 |
Nucleic Acid Atoms | |
Solvent Atoms | 140 |
Heterogen Atoms | 166 |
Software
Software | |
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Software Name | Purpose |
BUSTER | refinement |
XDS | data reduction |
STARANISO | data scaling |
BUSTER | phasing |
BUSTER | refinement |