7KWP
Dihydrodipicolinate synthase (DHDPS) from C.jejuni with pyruvate bound in the active site and L-lysine bound at the allosteric site in C2221 space group
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | MICROBATCH | 7.4 | 288.15 | 0.3 M Magnesium acetate, 10 % PEG 8000, 0.1 M Sodium acetate (pH 7.4), 60 mM L-lysine |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.4 | 48.8 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 85.4 | α = 90 |
b = 231.13 | β = 90 |
c = 199.73 | 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 | 100 | PIXEL | DECTRIS PILATUS3 S 6M | 2019-10-30 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | CLSI BEAMLINE 08ID-1 | 0.9795 | CLSI | 08ID-1 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | CC (Half) | 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 | 2.26 | 45.84 | 99.82 | 0.99 | 9.4 | 15 | 92460 |
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 | 2.26 | 2.341 | 99.9 | 0.374 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 4LY8 | 2.26 | 45.84 | 1.35 | 92420 | 4619 | 99.84 | 0.2459 | 0.2443 | 0.2766 | 38.1087 |
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] | |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 13644 |
Nucleic Acid Atoms | |
Solvent Atoms | 447 |
Heterogen Atoms | 43 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
XSCALE | data scaling |
PDB_EXTRACT | data extraction |
HKL-3000 | data reduction |
MOLREP | phasing |