5BU7
Crystal structure of an engineered protein that forms nanotubes with tunable diameters
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | BATCH MODE | 7.5 | 298 | 50-fold excess of zinc chloride |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.23 | 44.95 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 52.89 | α = 90 |
b = 52.89 | β = 90 |
c = 257.08 | γ = 120 |
Symmetry | |
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Space Group | P 61 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 | 80 | PIXEL | DECTRIS PILATUS 6M | 2013-01-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL12-2 | 0.98 | SSRL | BL12-2 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.46 | 85.69 | 95.1 | 6.7 | 3.5 | 8104 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | 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 | 2.46 | 45.8 | 7513 | 369 | 92.54 | 0.2284 | 0.2253 | 0.2923 | RANDOM | 55.873 |
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] | |
0.84 | 0.84 | 0.84 | -2.73 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 50.836 |
r_dihedral_angle_3_deg | 18.002 |
r_dihedral_angle_4_deg | 10.651 |
r_dihedral_angle_1_deg | 5.033 |
r_angle_refined_deg | 1.385 |
r_angle_other_deg | 0.933 |
r_chiral_restr | 0.09 |
r_bond_refined_d | 0.011 |
r_gen_planes_refined | 0.006 |
r_gen_planes_other | 0.004 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1616 |
Nucleic Acid Atoms | |
Solvent Atoms | 56 |
Heterogen Atoms | 93 |
Software
Software | |
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Software Name | Purpose |
SCALA | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
MOSFLM | data reduction |
MOLREP | phasing |