3DZ1
Crystal structure of Dihydrodipicolinate Synthase from Rhodopseudomonas palustris at 1.87A resolution
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 293 | 25%PEG 1,500 0.1M Bis-Tris pH 6.5 1.4% Butanol, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.28 | 46 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 65.463 | α = 90 |
b = 84.264 | β = 90 |
c = 114.821 | γ = 90 |
Symmetry | |
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Space Group | I 2 2 2 |
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 | 100 | CCD | ADSC QUANTUM 210 | mirrors | 2008-07-28 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X12C | 0.9790 | NSLS | X12C |
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 | 1.87 | 50 | 99.9 | 0.084 | 16.1 | 13.9 | 26518 | 26518 | 9.9 |
Highest Resolution Shell | |||||||||||||||||||
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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) | |||||||||||
1.87 | 1.94 | 99.7 | 0.269 | 12.6 | 12.6 | 2577 |
Refinement
Statistics | |||||||||||||||||||
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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 | 1.87 | 33.85 | 26250 | 26250 | 1016 | 98.6 | 0.21 | 0.21 | 0.19 | 0.215 | RANDOM | 15.3 |
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] | |
1.31 | -0.44 | -0.86 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_deg | 21.3 |
c_angle_deg | 1.2 |
c_improper_angle_deg | 0.88 |
(A) | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2295 |
Nucleic Acid Atoms | |
Solvent Atoms | 330 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
CBASS | data collection |
SHELXCD | phasing |
SHARP | phasing |
CNS | refinement |
DENZO | data reduction |
HKL-2000 | data scaling |