3O49
Crystal structure of Symfoil-1: de novo designed beta-trefoil architecture with symmetric primary structure
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 298 | 2M ammonium sulfate, 0.2M Li2SO4, 0.1M Tris, 15mg/mL protein concentration, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.82 | 32.31 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 50.365 | α = 90 |
b = 53.351 | β = 90 |
c = 85.175 | γ = 90 |
Symmetry | |
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Space Group | I 2 2 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 | CCD | MARMOSAIC 225 mm CCD | 2009-07-06 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-BM | 1.0 | APS | 22-BM |
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 | 1.45 | 50 | 96.9 | 0.051 | 53.6 | 7 | 20483 | 19854 | 3 | 3 | 18.86 |
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 | 1.45 | 1.48 | 85.8 | 0.378 | 3.6 | 5.8 | 868 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | 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 | 1.45 | 45.214 | 0.12 | 20483 | 19854 | 1937 | 95.45 | 0.1989 | 0.1958 | 0.2272 | 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] | |
-3.6536 | 5.4726 | -1.819 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 17.607 |
f_angle_d | 1.135 |
f_chiral_restr | 0.072 |
f_bond_d | 0.007 |
f_plane_restr | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 955 |
Nucleic Acid Atoms | |
Solvent Atoms | 152 |
Heterogen Atoms | 13 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
PHASES | phasing |
PHENIX | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |