2IW6
STRUCTURE OF HUMAN THR160-PHOSPHO CDK2-CYCLIN A COMPLEXED WITH A BISANILINOPYRIMIDINE INHIBITOR
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1H1S | PDB ENTRY 1H1S |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 7 | THE DROPLET CONTAINED PROTEIN AT A CONCENTRATION OF 10 MG ML-1 IN 40 MM HEPES PH 7.0 CONTAINING 1 MM DTT, 200 MM NACL, 5% V/V DMSO AND SATURATED INHIBITOR. THE RESERVOIR SOLUTION CONTAINED 0.8 M KCL AND 1.2 M (NH4)2SO4 IN 40 MM HEPES PH 7.0 AND 5 MM DTT. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.9 | 57.26 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 73.777 | α = 90 |
b = 134.557 | β = 90 |
c = 148.265 | 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 | 100 | CCD | MARRESEARCH | 2003-08-31 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-3 | ESRF | ID14-3 |
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 | 2.3 | 41.2 | 93.8 | 0.1 | 5.5 | 3.7 | 61358 |
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 | 2.3 | 2.41 | 87 | 0.44 | 1.4 | 2.2 |
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1H1S | 2.3 | 100 | 58213 | 3125 | 93.1 | 0.231 | 0.228 | 0.287 | RANDOM | 36.46 |
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] | |
-1.46 | 1.85 | -0.038 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 40.48 |
r_dihedral_angle_3_deg | 19.004 |
r_dihedral_angle_4_deg | 16.771 |
r_dihedral_angle_1_deg | 6.754 |
r_scangle_it | 2.673 |
r_scbond_it | 1.822 |
r_angle_refined_deg | 1.713 |
r_mcangle_it | 1.135 |
r_mcbond_it | 0.682 |
r_symmetry_hbond_refined | 0.338 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 8869 |
Nucleic Acid Atoms | |
Solvent Atoms | 114 |
Heterogen Atoms | 79 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |
MOLREP | phasing |