1N26
Crystal Structure of the extra-cellular domains of Human Interleukin-6 Receptor alpha chain
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.6 | 300 | ammonium sulphate, PEG 3350, sodium citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 300K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.72 | 54.79 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 51.13 | α = 90 |
b = 51.13 | β = 90 |
c = 303.388 | γ = 90 |
Symmetry | |
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Space Group | P 43 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 II | Yale Mirrors | M | SINGLE WAVELENGTH | ||||||
2 | 1 | x-ray | 100 | IMAGE PLATE | RIGAKU RAXIS IV | Monocapillary optics | M | SINGLE WAVELENGTH | ||||||
3 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 4 | APS BM14C optics | M | SINGLE WAVELENGTH | ||||||
4 | 1 | x-ray | 100 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | MACSCIENCE | 1.5418 | ||
2 | ROTATING ANODE | RIGAKU RUH3R | 1.5418 | ||
3 | SYNCHROTRON | APS BEAMLINE 14-BM-C | 1.0 | APS | 14-BM-C |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | |||||||
1,2,3,4 | 2.4 | 50 | 99.4 | 0.11 | 0.07 | 39 | 18.6 | 1 | 58.3 |
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) | |||||||||||
1,2,3,4 | 2.35 | 2.4 | 100 | 0.57 | 3.7 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MIR | THROUGHOUT | ab initio built into MIR map | 2.4 | 6 | 15630 | 15298 | 731 | 97.9 | 0.22 | 0.22 | 0.22 | 0.29 | Random |
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] | |
-6.369 | -6.369 | 12.737 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_scangle_it | 9.105 |
c_scbond_it | 7.922 |
c_mcangle_it | 7.619 |
c_mcbond_it | 6.394 |
c_angle_deg | 1.96 |
c_bond_d | 0.015 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2360 |
Nucleic Acid Atoms | |
Solvent Atoms | 83 |
Heterogen Atoms | 137 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
SHARP | phasing |
CNS | refinement |