2P6V
Structure of TAFH domain of the human TAF4 subunit of TFIID
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.6 | 295 | Crystals of methylated hTAF4-TAFH containing SeMet were grown by hanging drop vapor diffusion at 22 C by mixing equal volumes of protein solution and crystallization buffer (200 mM ammonium acetate, 2.2 M ammonium sulfate and 150 mM sodium bromide). , pH 6.6, VAPOR DIFFUSION, HANGING DROP, temperature 295K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.21 | 70.77 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 74.852 | α = 90 |
b = 74.852 | β = 90 |
c = 131.785 | γ = 120 |
Symmetry | |
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Space Group | P 63 2 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 210 | 2004-03-16 | M | MAD |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 8.3.1 | 0.9797, 1.0199 | ALS | 8.3.1 |
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 | 65.94 | 98.49 | 0.095 | 0.107 | 16.7 | 13.9 | 15659 | 15423 | 42.8 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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) | ||||||||||
2 | 2.11 | 98.3 | 0.105 | 0.11 | 3.7 | 10.1 | 2184 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | MAD | THROUGHOUT | 2 | 65.94 | 15659 | 15423 | 786 | 98.49 | 0.214 | 0.21567 | 0.21402 | 0.24835 | RANDOM | 53.387 |
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] | |
2.71 | 1.36 | 2.71 | -4.07 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 38.872 |
r_dihedral_angle_4_deg | 18.37 |
r_scangle_it | 17.267 |
r_scbond_it | 16.183 |
r_dihedral_angle_3_deg | 14.69 |
r_mcbond_it | 13.17 |
r_mcangle_it | 12.661 |
r_mcbond_other | 7.564 |
r_dihedral_angle_1_deg | 5.569 |
r_angle_refined_deg | 2.343 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 776 |
Nucleic Acid Atoms | |
Solvent Atoms | 39 |
Heterogen Atoms | 5 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
ADSC | data collection |
MOSFLM | data reduction |
CCP4 | data scaling |
MLPHARE | phasing |