2X4K
Crystal structure of SAR1376, a putative 4-oxalocrotonate tautomerase from the methicillin-resistant Staphylococcus aureus (MRSA)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 5 | 1.49M AMMONIUM SULFATE, 0.1M SODIUM ACETATE PH 5.0, 0.1M ZINC SULFATE, 25% ETHYLENE GLYCOL. CRYSTAL WAS CRYOPROTECTED DIRECTLY IN THIS SOLUTION WITH AMMONIUM SULPHATE CONCENTRATION OF 1.6M |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
1.98 | 37.83 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 50.19 | α = 90 |
b = 50.19 | β = 90 |
c = 150.62 | γ = 120 |
Symmetry | |
---|---|
Space Group | P 63 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 | IMAGE PLATE | FUJIFILM | MIRRORS | 2007-11-16 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE BM14 | ESRF | BM14 |
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 | 1.1 | 28.4 | 98.7 | 0.05 | 22.7 | 11.7 | 19685 |
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 | 1.1 | 1.13 | 98.3 | 0.44 | 4.35 | 6.1 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | NONE | 1.1 | 28.46 | 43774 | 2291 | 98.73 | 0.188 | 0.18763 | 0.19533 | RANDOM | 9.348 |
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] | |
-0.14 | -0.07 | -0.14 | 0.22 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 37.12 |
r_dihedral_angle_4_deg | 16.653 |
r_dihedral_angle_3_deg | 11.574 |
r_dihedral_angle_1_deg | 5.321 |
r_scangle_it | 3.307 |
r_scbond_it | 2.082 |
r_mcangle_it | 1.542 |
r_angle_refined_deg | 1.219 |
r_mcbond_it | 0.89 |
r_angle_other_deg | 0.852 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 954 |
Nucleic Acid Atoms | |
Solvent Atoms | 69 |
Heterogen Atoms | 19 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
SCALEPACK | data scaling |
SHELXCDE | phasing |