3QQH
CDK2 in complex with inhibitor L2-2
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1PW2 | PDB ENTRY 1PW2 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 291 | 5 mg/mL CDK2 protein, 3 mM inhibitor, 15% v/v PEG3350, 50 mM HEPES/NaOH, 50 mM Na/K phosphate , pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.91 | 35.63 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 52.43 | α = 90 |
b = 70.9 | β = 90 |
c = 71.47 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | 93 | CCD | RIGAKU SATURN 944+ | MIRRORS | 2010-09-02 | 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 | 1.87 | 20 | 98.4 | 0.07 | 12.84 | 3.6 | 22295 | 22295 | -3 | 15.9 |
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 | 1.87 | 1.92 | 99.1 | 0.204 | 4.11 | 2.02 | 1672 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1PW2 | 1.87 | 19.77 | 22295 | 22295 | 1093 | 98.4 | 0.201 | 0.201 | 0.201 | 0.232 | RANDOM | 25.4 |
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] | |
-2.79 | -3.26 | 6.06 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 22.2 |
c_scangle_it | 2.46 |
c_mcangle_it | 2.14 |
c_scbond_it | 1.6 |
c_angle_deg | 1.5 |
c_mcbond_it | 1.25 |
c_improper_angle_d | 0.84 |
c_bond_d | 0.008 |
c_bond_d_na | |
c_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2366 |
Nucleic Acid Atoms | |
Solvent Atoms | 168 |
Heterogen Atoms | 43 |
Software
Software | |
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Software Name | Purpose |
StructureStudio | data collection |
CNS | refinement |
XDS | data reduction |
XDS | data scaling |
CNS | phasing |