5ZDI
Crystal structure of CsaA chaperone protein from picrophilus torridus
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 298 | 20mM Tris buffer pH 8.0, 0.2 M ammonium sul-phate, 1 M NaCl, 25% PEG 8000 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.41 | 49.01 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 47.009 | α = 90 |
b = 65.334 | β = 90 |
c = 75.588 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 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 | IMAGE PLATE | RIGAKU RAXIS IV++ | 2015-12-16 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | Cu FINE FOCUS | 1.5418 |
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 | 1.7 | 50 | 98 | 24.96 | 7.3 | 25764 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 1.7 | 1.76 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | 2NZH | 1.7 | 49.43 | 24473 | 1237 | 97.82 | 0.18496 | 0.1829 | 0.22361 | RANDOM | 24.063 |
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] | |
-0.7 | 0.99 | -0.29 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 37.923 |
r_dihedral_angle_3_deg | 13.112 |
r_dihedral_angle_1_deg | 7.531 |
r_long_range_B_refined | 6.456 |
r_long_range_B_other | 6.351 |
r_scangle_other | 5.034 |
r_scbond_it | 3.628 |
r_scbond_other | 3.622 |
r_dihedral_angle_4_deg | 3.598 |
r_mcangle_other | 2.798 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1663 |
Nucleic Acid Atoms | |
Solvent Atoms | 265 |
Heterogen Atoms | 6 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL-2000 | data scaling |
PHASER | phasing |