5K89
Crystal Structure of Human Calcium-Bound S100A1
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 298 | PEG 8000, calcium chloride, cacodylate |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.53 | 51.33 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 53.547 | α = 90 |
b = 53.547 | β = 90 |
c = 193.387 | γ = 120 |
Symmetry | |
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Space Group | P 32 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 | 2013-04-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL7-1 | 1.1271 | SSRL | BL7-1 |
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 | 2.25 | 37.644 | 92 | 0.185 | 14.45 | 5.1 | 14767 | 50.57 |
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 | 2.37 | 2.5 | 83 | 1.538 | 0.5 | 2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2Y5I | 2.249 | 37.644 | 1.34 | 14767 | 757 | 91.73 | 0.2754 | 0.2746 | 0.2905 | RANDOM | 82.5976 |
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 | |
---|---|
Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 24.733 |
f_angle_d | 0.959 |
f_chiral_restr | 0.059 |
f_bond_d | 0.009 |
f_plane_restr | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2065 |
Nucleic Acid Atoms | |
Solvent Atoms | 14 |
Heterogen Atoms | 14 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
Blu-Ice | data collection |
PDB_EXTRACT | data extraction |
autoXDS | data reduction |
SCALA | data scaling |
Coot | model building |
BALBES | phasing |