3TBI
Crystal structure of T4 gp33 bound to E. coli RNAP beta-flap domain
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 8.5 | 295 | 0.1 M triethylamine N-oxide, 20% PEG2000 MME, 0.1 M Tris, pH 8.5, VAPOR DIFFUSION, temperature 295K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
3.31 | 62.82 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 55.218 | α = 90 |
b = 112.25 | β = 90 |
c = 164.847 | γ = 90 |
Symmetry | |
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Space Group | I 2 2 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | CCD | MAR CCD 165 mm | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X3A | 0.9785 | NSLS | X3A |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 3 | 28.995 | 0.053 | 3 | 10635 | 10551 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | SAD | THROUGHOUT | 3 | 28.995 | 9980 | 10051 | 500 | 98.93 | 0.25293 | 0.25086 | 0.29485 | RANDOM | 112.814 |
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] | |
-2.47 | 5.16 | -2.69 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 30.208 |
r_dihedral_angle_3_deg | 15.028 |
r_dihedral_angle_4_deg | 13.195 |
r_dihedral_angle_1_deg | 3.965 |
r_scangle_it | 1.211 |
r_scbond_it | 0.689 |
r_angle_refined_deg | 0.656 |
r_mcangle_it | 0.607 |
r_mcbond_it | 0.322 |
r_chiral_restr | 0.047 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2331 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
SnB | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
SCALA | data scaling |