1O58
Crystal structure of O-acetylserine sulfhydrylase (TM0665) from Thermotoga maritima at 1.80 A resolution
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION,SITTING DROP,NANODROP | 9.2 | 293 | 50% PEG-400, 0.1M CHES pH 9.5, 0.2M NaCl, pH 9.2, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 293K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.32 | 46.5 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 67.57 | α = 90 |
b = 84.59 | β = 95.39 |
c = 107.22 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 1 21 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 315 | 2001-12-10 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | 0.97999, 0.97980, 0.91837 | SSRL | BL9-2 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.8 | 48.66 | 87.6 | 0.038 | 20.2 | 4.1 | 97122 | 97122 | 29.14 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.8 | 1.85 | 59.7 | 0.273 | 4.3 | 3.2 | 4897 |
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 | MAD | THROUGHOUT | 1.8 | 48.66 | 92219 | 4874 | 87.24 | 0.15938 | 0.15738 | 0.19807 | RANDOM | 22.156 |
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] | |
-1.43 | 0.86 | 1.2 | 0.4 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.43 |
r_dihedral_angle_4_deg | 16.248 |
r_dihedral_angle_3_deg | 13.097 |
r_dihedral_angle_1_deg | 5.552 |
r_scangle_it | 3.206 |
r_scbond_it | 2.338 |
r_angle_refined_deg | 1.414 |
r_mcangle_it | 1.307 |
r_mcbond_it | 0.977 |
r_angle_other_deg | 0.862 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 8391 |
Nucleic Acid Atoms | |
Solvent Atoms | 937 |
Heterogen Atoms | 40 |
Software
Software | |
---|---|
Software Name | Purpose |
MOSFLM | data reduction |
SCALA | data scaling |
MLPHARE | phasing |
SOLVE | phasing |
RESOLVE | model building |
REFMAC | refinement |
CCP4 | data scaling |
RESOLVE | phasing |