5IU2
Discovery of imidazoquinolines as a novel class of potent, selective and in vivo efficacious COT kinase inhibitors
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4Y85 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 298 | 0.1 M Bis-Tris pH 7, 1.7 m ammonium sulfate, 0.01 M proline. Protein solution (COT:compound 1:1) was mixed with an equal volume (1 uL) of reservoir solution. Equilibration was done over 500 uL reservoir solution. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.38 | 48.3 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 65.48 | α = 90 |
b = 87.43 | β = 90 |
c = 125.12 | γ = 90 |
Symmetry | |
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Space Group | P 2 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 | 2010-11-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X10SA | 1.0000 | SLS | X10SA |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym I (Observed) | 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 | 2.7 | 71.66 | 99.9 | 0.129 | 12.53 | 6.53 | 20386 | 50.76 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.7 | 2.81 | 0.492 |
Refinement
Statistics | |||||||||||||||||||
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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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 4Y85 | 2.7 | 58.01 | 20361 | 1019 | 99.81 | 0.2339 | 0.2326 | 0.2357 | 0.2579 | 0.263 | RANDOM | 29.06 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
-4.06 | 1.2262 | 2.8338 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
t_other_torsion | 17.99 |
t_omega_torsion | 2.37 |
t_angle_deg | 0.98 |
t_bond_d | 0.008 |
t_dihedral_angle_d | |
t_incorr_chiral_ct | |
t_pseud_angle | |
t_trig_c_planes | |
t_gen_planes | |
t_it |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4775 |
Nucleic Acid Atoms | |
Solvent Atoms | 150 |
Heterogen Atoms | 74 |
Software
Software | |
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Software Name | Purpose |
BUSTER | refinement |
XDS | data reduction |
XSCALE | data scaling |
PHASER | phasing |