4GWQ
Structure of the Mediator Head Module from S. cerevisiae in complex with the carboxy-terminal domain (CTD) of RNA Polymerase II Rpb1 subunit
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 7 | 291.2 | 275mM ammonium citrate tribasic pH 7.0, 10% w/v PEG 3350, 2mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 291.2K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.68 | 66.62 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 142.449 | α = 90 |
b = 142.449 | β = 90 |
c = 305.641 | γ = 120 |
Symmetry | |
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Space Group | P 32 2 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 | MARMOSAIC 325 mm CCD | 2010-02-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL11-1 | SSRL | BL11-1 |
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 | 4.5 | 123.365 | 99.8 | 21971 | -3 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 4.5 | 4.7 | 100 | 4.5 | 14.7 |
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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MIRAS | THROUGHOUT | 4.5 | 45 | 21985 | 20920 | 1130 | 99.9 | 0.289 | 0.286 | 0.345 | RANDOM | 181.17 |
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 | 2.11 | 4.22 | -6.33 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 38.397 |
r_dihedral_angle_4_deg | 18.546 |
r_dihedral_angle_3_deg | 17.831 |
r_dihedral_angle_1_deg | 7.581 |
r_angle_refined_deg | 1.56 |
r_chiral_restr | 0.093 |
r_bond_refined_d | 0.01 |
r_gen_planes_refined | 0.005 |
r_bond_other_d | |
r_angle_other_deg |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 9217 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
Blu-Ice | data collection |
SHARP | phasing |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |