Crystal structure of the 70S ribosome bound with the Q253P mutant of release factor RF2.
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 7 | pH 7.0 | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.4 | 63.17 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 212.07 | α = 90 |
| b = 454.4 | β = 90 |
| c = 618.45 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 21 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | 2012-08-02 | M | SINGLE WAVELENGTH | ||||||||
| 2 | 1 | x-ray | 100 | 2012-02-12 | M | SINGLE WAVELENGTH | ||||||||
| 3 | 1 | x-ray | 100 | 2012-02-29 | M | SINGLE WAVELENGTH | ||||||||
| 4 | 1 | x-ray | 100 | 2011-12-16 | M | SINGLE WAVELENGTH | ||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SSRL BEAMLINE BL7-1 | SSRL | BL7-1 | |
| 2 | SYNCHROTRON | ALS BEAMLINE 12.3.1 | ALS | 12.3.1 | |
| 3 | SYNCHROTRON | SSRL BEAMLINE BL9-1 | SSRL | BL9-1 | |
| 4 | SYNCHROTRON | SSRL BEAMLINE BL11-1 | SSRL | BL11-1 | |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 3.4 | 50 | 7 | 807927 | |||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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 | MOLECULAR REPLACEMENT | PDB ENTRY 3F1G AND 3F1H | 3.4 | 49.672 | 1.99 | 807927 | 16161 | 99.65 | 0.235 | 0.2343 | 0.24 | 0.2681 | RANDOM | ||||||
| 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] | |
| -3.5525 | 14.5549 | -11.0024 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 18.745 |
| f_angle_d | 0.621 |
| f_chiral_restr | 0.053 |
| f_bond_d | 0.004 |
| f_plane_restr | 0.003 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 21929 |
| Nucleic Acid Atoms | 34186 |
| Solvent Atoms | |
| Heterogen Atoms | 1285 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| CNS | refinement |
| XDS | data scaling |
| XDS | data reduction |
| CNS | phasing |














