1UA2
Crystal Structure of Human CDK7
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1HCK | Human CDK2 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.4 | 277 | Na Citrate, Na Acetate, PEG 4000, glycerol, NDSB201, ATP, pH 6.4, VAPOR DIFFUSION, SITTING DROP, temperature 4.0K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.63 | 65.8 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 65.501 | α = 90 |
b = 191.635 | β = 94.4 |
c = 75.794 | 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 | ADSC QUANTUM 4 | 2003-11-22 | M | SINGLE WAVELENGTH | ||||||
2 | 1 | 100 | CCD | MARRESEARCH | Microfocus beamline ID13 at ESRF | 2003-12-06 |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID29 | 0.9756 | ESRF | ID29 |
2 | SYNCHROTRON | ESRF BEAMLINE ID13 | 0.9789 | ESRF | ID13 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 2.96 | 49.45 | 92.9 | 0.129 | 0.129 | 9.5 | 3.8 | 38122 | 35416 | 1 | 73.1 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 3.02 | 3.18 | 70.1 | 0.466 | 0.466 | 1.6 | 1.7 | 3851 |
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 | Human CDK2 | 3.02 | 49.45 | 33271 | 33271 | 1757 | 95.48 | 0.21659 | 0.21659 | 0.21274 | 0.2879 | RANDOM | 44.013 |
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] | |
4.22 | -0.05 | -2.56 | -1.67 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 39.62 |
r_dihedral_angle_3_deg | 24.144 |
r_dihedral_angle_4_deg | 19.748 |
r_dihedral_angle_1_deg | 8.773 |
r_scangle_it | 2.453 |
r_angle_refined_deg | 1.923 |
r_scbond_it | 1.463 |
r_mcangle_it | 1.277 |
r_mcbond_it | 0.698 |
r_symmetry_hbond_refined | 0.35 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 9164 |
Nucleic Acid Atoms | |
Solvent Atoms | 48 |
Heterogen Atoms | 124 |
Software
Software | |
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Software Name | Purpose |
MOSFLM | data reduction |
SCALA | data scaling |
MOLREP | phasing |
REFMAC | refinement |
CCP4 | data scaling |