4V8U
Crystal Structure of 70S Ribosome with Both Cognate tRNAs in the E and P Sites Representing an Authentic Elongation Complex.
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 6.4 | 0.1M MES, PH6.5, 8.5-9.0% PEG20K, 0-25MM KCL, pH 6.4 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.4 | 64 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 291.357 | α = 90 |
b = 269.425 | β = 91.78 |
c = 401.947 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | PIXEL | DECTRIS PILATUS 6M | MIRRORS | 2011-09-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X06SA | SLS | X06SA |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 3.7 | 50 | 99.8 | 0.2 | 8.2 | 7.3 | 657561 | 1.64 | 52.2 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 3.7 | 3.8 | 99.9 | 1.08 | 1.64 | 6.1 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 3.7 | 49.75 | 657561 | 32878 | 99.9 | 0.214 | 0.214 | 0.249 | RANDOM | 102.3 |
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] | |
2.19 | -8.64 | -2.3 | 0.11 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 28.9 |
c_improper_angle_d | 1.45 |
c_angle_deg | 1.2 |
c_bond_d | 0.007 |
c_bond_d_na | |
c_bond_d_prot | |
c_angle_d | |
c_angle_d_na | |
c_angle_d_prot | |
c_angle_deg_na |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 24371 |
Nucleic Acid Atoms | 35846 |
Solvent Atoms | |
Heterogen Atoms | 70 |
Software
Software | |
---|---|
Software Name | Purpose |
PHASER | model building |
CNS | refinement |
XDS | data reduction |
XDS | data scaling |
PHASER | phasing |