6SPX
Structure of protein kinase CK2 catalytic subunit in complex with the CK2beta-competitive bisubstrate inhibitor ARC1502
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 293 | 1 microliter of the CK2alpha/ARC1502 mixture (composition: 7 mg/ml CK2alpha enzyme, 1 mM ARC1502, 10 % dimethyl sulfoxide, 450 mM NaCl, 25 mM Tris/HCl, pH 8.5) was mixed with 2.5 mikroliter reservoir solution (composition: 30 % PEG4000, 0.2 M ammonium acetate, 0.1 M sodium citrate, pH 5.6) followed by vapour diffusion equilibration against 100 microliter of the reservoir solution. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.99 | 38.08 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 57.761 | α = 90 |
b = 45.717 | β = 110.69 |
c = 63.727 | 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 PILATUS 2M-F | 2012-10-20 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X06DA | 1.0000 | SLS | X06DA |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | 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 | 1.994 | 49.723 | 93.38 | 0.2085 | 0.2085 | 0.967 | 15.91 | 4.4 | 19533 | 28.54 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 1.994 | 2.266 | 66.25 | 0.5205 | 0.5205 | 0.669 | 2.76 | 3.2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation 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 | FREE R-VALUE | 2PVR | 1.994 | 49.72 | 1.38 | 19438 | 952 | 90.55 | 0.1861 | 0.1841 | 0.2228 |
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 | 10.868 |
f_angle_d | 0.894 |
f_chiral_restr | 0.054 |
f_bond_d | 0.004 |
f_plane_restr | 0.004 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2779 |
Nucleic Acid Atoms | |
Solvent Atoms | 152 |
Heterogen Atoms | 80 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
XDS | data reduction |
Aimless | data scaling |
PHASER | phasing |