1KQA
GALACTOSIDE ACETYLTRANSFERASE IN COMPLEX WITH COENZYME A
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.8 | 298 | Tris-HCl, beta-mercaptoethanol, ammonium sulfate, HEPES, tartaric acid, acetyl-CoA, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.65 | 53.61 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 65.7 | α = 90 |
b = 182.5 | β = 90 |
c = 121.2 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 298 | AREA DETECTOR | SIEMENS HI-STAR | mirrors | 2000-01-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU200 | 1.5418 |
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 | 3.2 | 99 | 96 | 0.127 | 5.7 | 12072 | 12072 | 34.5 |
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) | |||||||||||
3.2 | 3.3 | 79.4 | 0.243 |
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 | MOLECULAR REPLACEMENT | THROUGHOUT | 3.2 | 28 | 12072 | 12072 | 616 | 96 | 0.197 | 0.197 | 0.195 | 0.222 | RANDOM | 17.6 |
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] | |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 26.9 |
x_scangle_it | 4.58 |
x_angle_deg | 3 |
x_scbond_it | 2.92 |
x_mcangle_it | 2.67 |
x_mcbond_it | 1.61 |
x_improper_angle_d | 0.83 |
x_bond_d | 0.011 |
x_bond_d_na | |
x_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4713 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 144 |
Software
Software | |
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Software Name | Purpose |
X-PLOR | model building |
X-PLOR | refinement |
X-GEN | data reduction |
XDS | data scaling |
X-PLOR | phasing |