8SBC
Co-structure of Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform and brain penetrant inhibitors
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4JPS |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.2 | 303 | RESERVOIR SOLUTION : 12%-20% PEG 3350, 0.125M-0.20M KSCN PROTEIN SOLUTION : 20MM TRIS PH 7.2, 200MM NACL, 1% BETAINE, 1% ETHYLENE GLYCOL, 0.02% CHAPS, 5MM DTT, PROTEIN IS 7.4 MG/ML FORMATION METHOD : SOAKING PROTOCOL : SET UP APO XTALS DROPS IN 1:1 RATIO IN 30C, REMARK 280 XTALS GROW OVERNIGHT, THEN ADD 2MM OF STOCK CPD AND INCUBATE FOR A FEW HOURS METHOD : VAPOR DIFFUSION - HANGING DROP TEMPERATURE : 303.0 CRYO PROTOCOL : 20% ETHYLENE GLYCOL PLUS WELL SOLUTION |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.25 | 45.31 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 100.077 | α = 90 |
b = 107.847 | β = 90 |
c = 133.723 | 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 | 2016-01-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 5.0.2 | 1.000 | ALS | 5.0.2 |
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 | 2.3 | 83.95 | 99.8 | 0.075 | 0.079 | 0.023 | 0.999 | 15.9 | 12.7 | 64894 |
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 | 2.3 | 2.42 | 99 | 1.522 | 1.59 | 0.454 | 0.844 | 12 |
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 | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 2.3 | 83.95 | 1.34 | 64537 | 3181 | 99.39 | 0.2423 | 0.2407 | 0.2711 | Random |
Temperature Factor Modeling | ||||||
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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 | 11.601 |
f_angle_d | 0.386 |
f_chiral_restr | 0.037 |
f_plane_restr | 0.003 |
f_bond_d | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 9658 |
Nucleic Acid Atoms | |
Solvent Atoms | 34 |
Heterogen Atoms | 34 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
Aimless | data scaling |
XDS | data reduction |
PHASER | phasing |