1K8U
CRYSTAL STRUCTURE OF CALCIUM-FREE (OR APO) HUMAN S100A6; CYS3MET MUTANT (SELENOMETHIONINE DERIVATIVE)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 293 | 28% PEG 1500, 30mM sodium cacodylate, 6% glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.91 | 35.54 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 37.259 | α = 90 |
b = 48.113 | β = 90 |
c = 83.473 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 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 4 | Bent cylindrical Si-mirror (Rh coating) | 2000-12-07 | M | MAD | |||||
2 | 1 | x-ray | CCD | ADSC QUANTUM 4 | Bent cylindrical Si-mirror (Rh coating) | 2000-12-08 | M | MAD | ||||||
1,2 | 1 |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 14-BM-D | 1.02046, 0.97997, 0.94286 | APS | 14-BM-D |
2 | SYNCHROTRON | APS BEAMLINE 14-BM-D | 1.02046, 0.97997, 0.94286 | APS | 14-BM-D |
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 | ||||||||
1,2 | 1.15 | 30 | 95.2 | 0.061 | 11.7 | 14.8 | 27160 | 25759 | 14 |
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 | 1.15 | 1.24 | 87.6 | 0.267 | 8 | 4162 |
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 | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MAD | THROUGHOUT | 1.15 | 20 | 25759 | 24523 | 1226 | 95.2 | 0.186 | 0.186 | 0.186 | 0.221 | 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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 20.4 |
c_angle_d | 2.5 |
c_improper_angle_d | 2.07 |
c_bond_d | 0.015 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 709 |
Nucleic Acid Atoms | |
Solvent Atoms | 117 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
SHARP | phasing |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |