5TCG
Crystal structure of tryptophan synthase from M. tuberculosis - aminoacrylate-bound form
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8 | 289 | 8% tacsimate pH 8.0, 20% PEG3350, 3% trimethylamine N-oxide dihydrate, soaked in 80 mM CsCl, 30 mM L-Ser and 17% ethylene glycol |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
3.09 | 60.26 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 135.183 | α = 90 |
b = 159.433 | β = 90 |
c = 165.23 | 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 | PIXEL | DECTRIS PILATUS3 6M | mirrors | 2016-03-06 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 19-ID | 0.97926 | APS | 19-ID |
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 | 2.4 | 30 | 99.6 | 0.178 | 11.78 | 8.9 | 139260 | -3 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 2.4 | 2.44 | 98.3 | 0.82 | 0.632 | 1.81 | 6 |
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 | THROUGHOUT | 2.4 | 30 | 136438 | 2708 | 99.52 | 0.1724 | 0.17174 | 0.20614 | RANDOM | 32.517 |
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] | |
0.26 | -0.09 | -0.17 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.16 |
r_dihedral_angle_4_deg | 17.275 |
r_dihedral_angle_3_deg | 12.819 |
r_dihedral_angle_1_deg | 6.007 |
r_long_range_B_refined | 4.446 |
r_long_range_B_other | 4.446 |
r_angle_refined_deg | 1.44 |
r_scangle_other | 0.996 |
r_angle_other_deg | 0.971 |
r_mcangle_it | 0.928 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 19064 |
Nucleic Acid Atoms | |
Solvent Atoms | 890 |
Heterogen Atoms | 196 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
HKL-3000 | data reduction |
HKL-3000 | data scaling |