1ZKE
1.6 A Crystal Structure of a Protein HP1531 of Unknown Function from Helicobacter pylori
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 298 | 25% PEG3350, 0.1M NH4SO4, 0.1M Bis-Tris., pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.6 | 52 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 57.156 | α = 90 |
b = 73.262 | β = 90 |
c = 135.425 | γ = 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 | ADSC QUANTUM 315 | mirrors | 2004-12-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 19-ID | 0.9797 | APS | 19-ID |
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 | 1.6 | 50 | 92.5 | 0.067 | 24.48 | 4.5 | 75865 | 2 | 2 | 16.57 |
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 | 1.6 | 1.66 | 67.7 | 0.403 | 2.73 | 4 | 14527 |
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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | SAD | THROUGHOUT | 1.6 | 67.73 | 72023 | 67687 | 3613 | 93.98 | 0.19996 | 0.19819 | 0.23181 | RANDOM | 16.567 |
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] | |
1.52 | -0.89 | -0.63 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 40.455 |
r_dihedral_angle_4_deg | 22.163 |
r_dihedral_angle_3_deg | 14.067 |
r_scangle_it | 4.289 |
r_dihedral_angle_1_deg | 4.122 |
r_scbond_it | 2.771 |
r_mcangle_it | 1.325 |
r_angle_refined_deg | 1.199 |
r_mcbond_it | 0.777 |
r_nbtor_refined | 0.306 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3930 |
Nucleic Acid Atoms | |
Solvent Atoms | 753 |
Heterogen Atoms | 4 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
SBC-Collect | data collection |
HKL-2000 | data scaling |