5WTR
Crystal structure of a prokaryotic TRIC channel in 0.5 M KCl
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 289 | Well solution: 22-26% PEG 3000, 0.1 M Tris-HCl pH8.0, 0.2 M NaAc, 0.2 M KCl Before being frozen, the crystals were washed and soaked in 26% PEG3000, 50 mM Tris-HCl pH 8.0, 1.1% OG, 0.1% DM, 3% ethylene glycol, 0.5 M KCl |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.89 | 68.37 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 152.073 | α = 90 |
b = 87.73 | β = 108.9 |
c = 173.062 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
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 | 2012-04-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRF BEAMLINE BL17U | 1.00137 | SSRF | BL17U |
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 | 2.2 | 50 | 97.4 | 0.149 | 7.1 | 4.7 | 106700 | 28.4 |
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 | 2.2 | 2.32 | 94.8 | 0.604 | 2.7 | 4.6 |
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-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | SAD | FREE R-VALUE | 2.2 | 50 | 106561 | 2614 | 97.4 | 0.2108 | 0.2285 | Random selection | 38.1 |
Temperature Factor Modeling | ||||||
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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 | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 9054 |
Nucleic Acid Atoms | |
Solvent Atoms | 381 |
Heterogen Atoms | 207 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
iMOSFLM | data reduction |
SCALA | data scaling |
AutoSol | phasing |