3Q1L
Crystals Structure of Aspartate beta-Semialdehyde Dehydrogenase from Streptococcus pneumoniae with cysteamine bound covalently to Cys 128
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 298 | 13% PEG 3350, 0.1 M MES buffer, 0.05 M Ca-acetate, 10 mM DTT, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.19 | 43.72 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 72.611 | ¦Á = 90 |
b = 78.84 | ¦Â = 90 |
c = 244.554 | ¦Ã = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | RAYONIX MX-225 | mirrors | 2007-11-28 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-BM | 1.0 | APS | 22-BM |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.26 | 23 | 83 | 0.057 | 13.6 | 2.9 | 55295 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.26 | 2.34 | 44.4 | 0.303 | 2.2 | 1.9 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | FOURIER SYNTHESIS | THROUGHOUT | 2.3 | 23 | 51590 | 2711 | 85.64 | 0.19606 | 0.19361 | 0.24209 | RANDOM | 45.34 |
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] | |
-1.93 | 0.05 | 1.88 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.594 |
r_dihedral_angle_4_deg | 18.226 |
r_dihedral_angle_3_deg | 15.217 |
r_dihedral_angle_1_deg | 5.841 |
r_scangle_it | 1.969 |
r_scbond_it | 1.187 |
r_angle_refined_deg | 1.137 |
r_mcangle_it | 0.739 |
r_mcbond_it | 0.383 |
r_chiral_restr | 0.078 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 10905 |
Nucleic Acid Atoms | |
Solvent Atoms | 341 |
Heterogen Atoms | 16 |
Software
Software | |
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Software Name | Purpose |
MAR345dtb | data collection |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |