3CW5
E. coli Initiator tRNA
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION | 4.6 | 292 | 2.0 M Ammonium Sulphate, pH 4.6, vapor diffusion, temperature 292K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 5.61 | 78.07 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 93.79 | α = 90 |
| b = 93.79 | β = 90 |
| c = 219.36 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 64 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 | 100 | 2006-11-25 | M | SINGLE WAVELENGTH | ||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ESRF BEAMLINE ID14-3 | 0.931 | ESRF | ID14-3 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 3.1 | 39.918 | 91.4 | 0.099 | 0.099 | 3.8 | 7.9 | 10213 | 10063 | ||||||||||
| 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) | ||||||||||
| 1 | 3.1 | 3.27 | 59.8 | 0.476 | 0.476 | 1.5 | 3.2 | 899 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | THROUGHOUT | E. coli tRNAfMet from 2FMT | 3.1 | 39.918 | 10213 | 10063 | 1020 | 92.69 | 0.244 | 0.241 | 0.271 | RANDOM | 19.463 | ||||||
| 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] | |
| -0.52 | -0.26 | -0.52 | 0.78 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_angle_refined_deg | 1.735 |
| r_scangle_it | 1.413 |
| r_scbond_it | 0.756 |
| r_symmetry_hbond_refined | 0.301 |
| r_nbtor_refined | 0.293 |
| r_symmetry_vdw_refined | 0.241 |
| r_xyhbond_nbd_refined | 0.204 |
| r_nbd_refined | 0.194 |
| r_chiral_restr | 0.068 |
| r_bond_refined_d | 0.009 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | |
| Nucleic Acid Atoms | 1645 |
| Solvent Atoms | |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| MOSFLM | data reduction |
| SCALA | data scaling |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| PHASER | phasing |
