3F9N
Crystal structure of chk1 kinase in complex with inhibitor 38
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1IA8 | PDB entry 1IA8 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.8 | 298 | 13% PEG 8000, 0.1M Ammonium sulfate, 2% Glycerol, 0.1M Cacodylate buffer pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.34 | 47.39 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 45.06 | α = 90 |
b = 65.75 | β = 96.24 |
c = 58.41 | 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 | IMAGE PLATE | RIGAKU RAXIS IV++ | 2006-08-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU MICROMAX-007 | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 1.9 | 50 | 98 | 0.066 | 0.066 | 18 | 3 | 26390 | 26390 | 29.262 |
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) | |||||||||||
1.9 | 1.97 | 100 | 0.383 | 2.8 | 3 | 2662 |
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | FOURIER SYNTHESIS | THROUGHOUT | PDB entry 1IA8 | 1.9 | 50 | 26375 | 1326 | 97.94 | 0.1836 | 0.1819 | 0.2158 | RANDOM | 39.78 |
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] | |
2.68696247 | -0.98765367 | 4.04991319 | -6.73687567 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
t_dihedral_angle_d | 21.074 |
t_it | 1.625 |
t_angle_deg | 1.079 |
t_nbd | 0.047 |
t_gen_planes | 0.016 |
t_trig_c_planes | 0.011 |
t_bond_d | 0.01 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2064 |
Nucleic Acid Atoms | |
Solvent Atoms | 257 |
Heterogen Atoms | 54 |
Software
Software | |
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Software Name | Purpose |
CrystalClear | data collection |
BUSTER-TNT | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
BUSTER-TNT | phasing |