Crystal structure of an activated (Thr->Asp) Polo-like kinase 1 (Plk1) catalytic domain in complex with Compound 902
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3D5W |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 277 | hanging-drop vapor diffusion at 4 C (277K); protein at 7 mg/ml in 50 mM Tris-HCl pH 7.5, 200 mM NaCl and 3 mM DTT; crystallization condition: 0.1 M HEPES pH 7.5, 0.2 M (NH4)2SO4, 22.5% PEG 3350, and 15% glycerol; cryoprotectant: 15% ethylene glycol., VAPOR DIFFUSION, HANGING DROP |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.98 | 58.79 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 135.129 | α = 90 |
b = 135.129 | β = 90 |
c = 135.129 | γ = 90 |
Symmetry | |
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Space Group | I 2 3 |
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 | 160 | CCD | ADSC QUANTUM 315 | 2007-04-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-1 | 0.98 | SSRL | BL9-1 |
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 | 2.85 | 30 | 99.8 | 0.081 | 8.2 | 4.8 | 9717 |
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) | |||||||||||
2.85 | 3 | 0.396 | 2 |
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 3d5w | 2.85 | 30 | 8622 | 1090 | 99.74 | 0.22534 | 0.22118 | 0.22 | 0.25722 | 0.25 | RANDOM | 47.325 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.46 |
r_dihedral_angle_3_deg | 15.391 |
r_dihedral_angle_4_deg | 13.713 |
r_dihedral_angle_1_deg | 4.255 |
r_mcangle_it | 2.718 |
r_scangle_it | 1.907 |
r_mcbond_it | 1.566 |
r_scbond_it | 1.15 |
r_angle_refined_deg | 1.028 |
r_nbtor_refined | 0.298 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2274 |
Nucleic Acid Atoms | |
Solvent Atoms | 16 |
Heterogen Atoms | 34 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
ADSC | data collection |
MOSFLM | data reduction |
SCALA | data scaling |
MOLREP | phasing |