5EGI
Structure of a Trimeric Intracellular Cation channel from C. elegans with bound Ca2+
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 288 | 20-24% PEG400, 10% glycerol, 50 mM ADA buffer (pH6.5) |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.57 | 72.84 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 102.05 | α = 90 |
b = 102.05 | β = 90 |
c = 279.99 | γ = 90 |
Symmetry | |
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Space Group | P 41 21 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 | PIXEL | DECTRIS PILATUS 2M | 2014-12-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | PHOTON FACTORY BEAMLINE BL-1A | 1.1 | Photon Factory | BL-1A |
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 | 3.3 | 50 | 99.9 | 0.115 | 11.1 | 10.5 | 23166 | 91.8 |
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 | 3.3 | 3.48 | 100 | 0.804 | 2.8 | 10.5 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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 | 3.3 | 50 | 42 | 23038 | 989 | 99.6 | 0.2631 | 0.2722 | random selection | 116.8833 |
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] | |
7.476 | 7.476 | -14.953 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_scangle_it | 3.117 |
c_mcangle_it | 3.115 |
c_scbond_it | 1.835 |
c_mcbond_it | 1.705 |
c_angle_d | 1.43 |
c_bond_d | 0.009 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5480 |
Nucleic Acid Atoms | |
Solvent Atoms | 7 |
Heterogen Atoms | 217 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
iMOSFLM | data reduction |
SCALA | data scaling |
AutoSol | phasing |