3I79
Calcium-Dependent Protein Kinase 1 from Toxoplasma gondii (TgCDPK1)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | sitting drop vapor diffusion | 6.5 | 298 | 25% PEG 3350, 0.2 M tri-ammonium citrate; cryoprotected with 15% ethylene glycol, pH 6.5, sitting drop vapor diffusion, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.05 | 40.09 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 48.144 | α = 90 |
b = 71.861 | β = 102.98 |
c = 67.265 | 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 | MarUSA MarMosaic -325 CCD | 2009-04-22 | SAD | |||||||
2 | 1 | x-ray | 100 | CCD | MarUSA MarMosaic -325 CCD | 2009-04-22 | SINGLE WAVELENGTH | |||||||
1,2 | 1 |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | 0.97923 | SSRL | BL9-2 |
2 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | 0.97923 | SSRL | BL9-2 |
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 | 2.04 | 50 | 99.9 | 0.052 | 10.4 | 4.2 | 28324 | 3 | 34.8 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.04 | 2.12 | 100 | 0.67 | 2.2 | 4.2 | 2799 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | SAD | THROUGHOUT | 2.04 | 36.89 | 28302 | 1431 | 99.66 | 0.215 | 0.213 | 0.258 | RANDOM | 30.032 |
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] | |
0.13 | 0.89 | -0.7 | 0.97 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.314 |
r_dihedral_angle_4_deg | 14.522 |
r_dihedral_angle_3_deg | 13.157 |
r_dihedral_angle_1_deg | 4.66 |
r_scangle_it | 3.471 |
r_scbond_it | 2.143 |
r_mcangle_it | 2.025 |
r_mcbond_it | 1.177 |
r_angle_refined_deg | 0.866 |
r_angle_other_deg | 0.769 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3650 |
Nucleic Acid Atoms | |
Solvent Atoms | 75 |
Heterogen Atoms | 4 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
SOLVE | phasing |
RESOLVE | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
Blu-Ice | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |