Crystal structure of putative potassium channel related protein from Pyrococcus horikoshii
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | MICROBATCH | 4.7 | 291 | sodium chloride, acetate, pH 4.7, Micro batch, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.67 | 53.9 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 70.748 | α = 90 |
b = 70.748 | β = 90 |
c = 98.024 | γ = 90 |
Symmetry | |
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Space Group | P 42 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 | IMAGE PLATE | RIGAKU RAXIS V | mirrors | 2003-09-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SPRING-8 BEAMLINE BL26B1 | 1.0 | SPring-8 | BL26B1 |
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 | 1.85 | 35 | 98.9 | 0.045 | 4.2 | 21771 | 21771 | -1 | 18.6 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.85 | 1.92 | 99 | 0.306 | 3.9 | 2129 |
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||
X-RAY DIFFRACTION | SIRAS | THROUGHOUT | 1.85 | 33.27 | 21771 | 21398 | 1041 | 97.6 | 0.213 | 0.211 | 0.211 | 0.21 | 0.248 | 0.24 | RANDOM | 32.5 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
3.37 | 3.37 | -6.73 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 19.8 |
c_scangle_it | 6.78 |
c_scbond_it | 4.83 |
c_mcangle_it | 3.97 |
c_mcbond_it | 3.12 |
c_angle_deg | 1.1 |
c_improper_angle_d | 0.61 |
c_bond_d | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1503 |
Nucleic Acid Atoms | |
Solvent Atoms | 182 |
Heterogen Atoms | 8 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
BSS | data collection |
SCALEPACK | data scaling |
SOLVE | phasing |