1JWH
Crystal Structure of Human Protein Kinase CK2 Holoenzyme
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1DAW | POLY-ALANINE BACKBONE OF CK2A FROM ZEA MAYS (PDB ENTRY 1DAW) |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 9.3 | 285 | initial composition of the drop: 3 ul rhCK2 stock solution [5 mg/ml enzyme in 25 mM Tris/HCl, 300 mM NaCl, 1 mM dithiothreitole, pH 8.5], 1.5 ul reservoir solution [20 % (w/v) PEG3350, 200 mM dipotassium hydrogenphosphate], 3 ul 1 mM adenylyl imidodiphosphate (AMPPNP), 3 ul 2 mM magnesium chloride, 2 ul 10 % (w/v) polyethylene glycol 400 dodecylether (Thesit), pH 9.3, VAPOR DIFFUSION, SITTING DROP, temperature 285K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.22 | 61.8 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 175.99 | α = 90 |
b = 175.99 | β = 90 |
c = 93.666 | γ = 120 |
Symmetry | |
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Space Group | P 63 |
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 | MARRESEARCH | 2000-01-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE BW7B | 0.8428 | EMBL/DESY, HAMBURG | BW7B |
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 | 3.1 | 59.3 | 98.4 | 0.096 | 16.7 | 8.8 | 29935 | 92.2 |
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) | |||||||||||
3.1 | 3.2 | 90.4 | 42 | 2.6 | 6 |
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-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | POLY-ALANINE BACKBONE OF CK2A FROM ZEA MAYS (PDB ENTRY 1DAW) | 3.1 | 59.3 | 23733 | 935 | 78.7 | 0.267 | 0.338 | Random | 90.96 |
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] | |
-32.76 | 26.71 | -32.76 | 65.51 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_scangle_it | 24.14 |
c_dihedral_angle_d | 22.2 |
c_scbond_it | 19.26 |
c_mcangle_it | 17.4 |
c_mcbond_it | 12.23 |
c_angle_deg | 1.5 |
c_improper_angle_d | 1.05 |
c_bond_d | 0.009 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 8947 |
Nucleic Acid Atoms | |
Solvent Atoms | 209 |
Heterogen Atoms | 68 |
Software
Software | |
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Software Name | Purpose |
AMoRE | phasing |
CNS | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |