4EG3
Trypanosoma brucei methionyl-tRNA synthetase in complex with product methionyl-adenylate
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 298 | 2.0 to 2.3M ammonium sulfate, 0.2M sodium chloride and 0.1M sodium cacodylate pH 6.0 to 6.6, vapor diffusion, sitting drop, temperature 298K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
3.84 | 67.96 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 85.477 | α = 90 |
b = 105.908 | β = 90 |
c = 208.445 | 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 | CCD | RIGAKU SATURN 944 | 2010-10-15 | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU MICROMAX-007 | 1.54 |
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 | 2.94 | 50 | 99.9 | 0.192 | 5.2 | 6.4 | 40932 | -3 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 2.94 | 3.06 | 100 | 6.4 |
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 | 2.94 | 30 | 38631 | 2045 | 99.02 | 0.21435 | 0.2116 | 0.26644 | RANDOM | 49.97 |
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] | |
9.88 | -5.2 | -4.68 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.69 |
r_dihedral_angle_3_deg | 15.229 |
r_dihedral_angle_4_deg | 13.53 |
r_dihedral_angle_1_deg | 5.677 |
r_angle_refined_deg | 1.121 |
r_angle_other_deg | 0.811 |
r_chiral_restr | 0.059 |
r_bond_refined_d | 0.007 |
r_gen_planes_refined | 0.005 |
r_bond_other_d | 0.001 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 8435 |
Nucleic Acid Atoms | |
Solvent Atoms | 103 |
Heterogen Atoms | 128 |
Software
Software | |
---|---|
Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
PHASER | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |