Structure at 2.7 A resolution of Thermus thermophilus tyrosyl-tRNA synthetase bound to a tRNA(Tyr)(GUA) transcript, the sulphamoyl analogue of tyrosyl-adenylate and pyrophosphate.
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 1H3F | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 288 | Don't know | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 3.51 | 64.99 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 130.629 | α = 90 | 
| b = 130.629 | β = 90 | 
| c = 109.086 | γ = 120 | 
| Symmetry | |
|---|---|
| Space Group | P 31 2 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 | CCD | ADSC QUANTUM 4 | 2001-12-11 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | ESRF BEAMLINE ID14-2 | 0.933 | ESRF | ID14-2 | 
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 | 2.7 | 23 | 97.06 | 0.063 | 8 | 6.2 | 29086 | ||||||||||||
| 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 | 2.7 | 2.77 | 97.8 | 0.352 | |||||||||||||||
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 (All) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 2.7 | 23 | 29086 | 1449 | 97.057 | 0.206 | 0.2042 | 0.2112 | 0.2479 | 0.2539 | 88.246 | ||||||
| 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] | |
| 1.459 | 0.73 | 1.459 | -4.734 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_3_deg | 13.668 | 
| r_dihedral_angle_6_deg | 13.167 | 
| r_lrange_it | 10.292 | 
| r_lrange_other | 10.291 | 
| r_scangle_it | 7.725 | 
| r_scangle_other | 7.724 | 
| r_mcangle_it | 5.774 | 
| r_mcangle_other | 5.774 | 
| r_dihedral_angle_1_deg | 5.609 | 
| r_dihedral_angle_2_deg | 5.484 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 3393 | 
| Nucleic Acid Atoms | 1753 | 
| Solvent Atoms | |
| Heterogen Atoms | 74 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| REFMAC | refinement | 
| MOSFLM | data reduction | 
| SCALA | data scaling | 
| MOLREP | phasing | 














