1Y7L
O-Acetylserine Sulfhydrylase Complex
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1OAS |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 298 | ammonium sulfate, PEG 400, HEPES, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.17 | 43.4 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 112.569 | α = 90 |
b = 112.569 | β = 90 |
c = 45.799 | γ = 90 |
Symmetry | |
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Space Group | I 41 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 125 | IMAGE PLATE | RIGAKU RAXIS IV | Osmic Mirrors | 2004-03-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH3R | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
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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 | 1.55 | 20.21 | 95.9 | 0.071 | 40063 | 40063 | 21 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1.55 | 1.65 | 88.4 | 5784 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | 1OAS | 1.55 | 20.21 | 40060 | 40060 | 2031 | 95.8 | 0.204 | 0.1971 | 0.197 | 0.207 | RANDOM | 17.9 |
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] | |
-1.27 | -1.27 | 2.55 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 23.1 |
c_scangle_it | 2.24 |
c_angle_deg | 2.1 |
c_scbond_it | 1.54 |
c_mcangle_it | 1.29 |
c_improper_angle_d | 1.19 |
c_mcbond_it | 0.95 |
c_bond_d | 0.011 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2349 |
Nucleic Acid Atoms | |
Solvent Atoms | 247 |
Heterogen Atoms | 5 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
EPMR | phasing |
CNS | refinement |