3FTT
Crystal Structure of the galactoside O-acetyltransferase from Staphylococcus aureus
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 293 | 0.2M Na diH Phosphate, 20% P3350, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.33 | 47.13 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 75.761 | α = 90 |
b = 75.761 | β = 90 |
c = 93.878 | γ = 120 |
Symmetry | |
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Space Group | H 3 |
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 | SBC-3 | mirrors | 2008-11-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 19-BM | 0.9794 | APS | 19-BM |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 1.59 | 50 | 99.4 | 0.093 | 0.093 | 30.5 | 5.4 | 27020 | 27020 | -3 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.59 | 1.6 | 75.4 | 0.195 | 0.195 | 4.1 | 3.6 | 504 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | SAD | THROUGHOUT | 1.6 | 50 | 25203 | 25203 | 1330 | 99.97 | 0.16011 | 0.16011 | 0.15865 | 0.18689 | RANDOM | 18.169 |
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] | |
-0.11 | -0.06 | -0.11 | 0.17 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.89 |
r_dihedral_angle_4_deg | 14.605 |
r_dihedral_angle_3_deg | 13.454 |
r_dihedral_angle_1_deg | 6.017 |
r_scangle_it | 5.39 |
r_angle_other_deg | 4.273 |
r_scbond_it | 3.343 |
r_mcangle_it | 2.011 |
r_angle_refined_deg | 1.63 |
r_mcbond_it | 1.107 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1469 |
Nucleic Acid Atoms | |
Solvent Atoms | 218 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
HKL-3000 | data collection |
HKL-3000 | phasing |
SHELXD | phasing |
SHELXE | model building |
RESOLVE | model building |
Coot | model building |
MLPHARE | phasing |
DM | model building |
ARP/wARP | model building |
CCP4 | model building |
REFMAC | refinement |
HKL-3000 | data reduction |
HKL-3000 | data scaling |
RESOLVE | phasing |
DM | phasing |
CCP4 | phasing |