Crystal structure of TBP-interacting protein (Tk-TIP26) and implications for its inhibition mechanism of the interaction between TBP and TATA-DNA
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.8 | 293 | PEG8000, MES, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.17 | 43 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 73.834 | α = 90 |
b = 73.834 | β = 90 |
c = 86.414 | γ = 90 |
Symmetry | |
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Space Group | P 43 21 2 |
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 | 2001-06-17 | M | MAD | ||||||
2 | 1 | x-ray | 100 | CCD | MAR CCD 165 mm | 2001-10-14 | M | |||||||
1,2 | 1 |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SPRING-8 BEAMLINE BL40B2 | 0.9793, 0.9795, 0.9873 | SPring-8 | BL40B2 |
2 | SYNCHROTRON | SPRING-8 BEAMLINE BL41XU | 0.9686 | SPring-8 | BL41XU |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.3 | 40 | 32.7 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1,2 | 2.3 | 2.42 |
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MAD | THROUGHOUT | 2.3 | 36.92 | 9652 | 996 | 87.1 | 0.191 | 0.191 | 0.19 | 0.231 | RANDOM | 42.7 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
1.93 | 1.93 | -3.85 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 24.3 |
c_scangle_it | 3.41 |
c_mcangle_it | 2.47 |
c_scbond_it | 2.22 |
c_mcbond_it | 1.49 |
c_angle_deg | 1.3 |
c_improper_angle_d | 0.7 |
c_bond_d | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1831 |
Nucleic Acid Atoms | |
Solvent Atoms | 110 |
Heterogen Atoms | 13 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
MOSFLM | data reduction |
CCP4 | data scaling |
CNS | phasing |