2WMW
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | DL-MALIC ACID/PEG3350 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3 | 59 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 45.09 | α = 90 |
b = 65.89 | β = 94.31 |
c = 57.98 | 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 | CCD | RIGAKU CCD | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU MICROMAX-007 HF |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 2.43 | 26.6 | 94 | 0.08 | 9.3 | 2.4 | 12064 | 1.5 | 35.73 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.43 | 2.56 | 96.9 | 0.42 | 2.7 | 2.3 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | 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 | MOLECULAR REPLACEMENT | PDB ENTRY 2HY0 | 2.43 | 26.575 | 0.63 | 20911 | 1007 | 83.46 | 0.2299 | 0.2289 | 0.2501 | 45.59 |
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] | |
-9.8646 | -1.2141 | 10.03 | -0.1654 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 19.452 |
f_angle_d | 1.035 |
f_chiral_restr | 0.08 |
f_bond_d | 0.012 |
f_plane_restr | 0.008 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1996 |
Nucleic Acid Atoms | |
Solvent Atoms | 84 |
Heterogen Atoms | 18 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
MOSFLM | data reduction |
SCALA | data scaling |
PHASER | phasing |