3AAI
X-ray crystal structure of CsoR from Thermus thermophilus HB8
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 293 | 5% MPD, 4.25M Na Formate, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.11 | 41.71 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 63.198 | α = 90 |
b = 63.198 | β = 90 |
c = 81.033 | γ = 120 |
Symmetry | |
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Space Group | P 32 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | A fixed exit Si double crystal monochromator followed by a two dimensional focusing mirror which is coated in rhodium. | 2008-07-18 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SPRING-8 BEAMLINE BL26B2 | 0.9787, 0.9, 0.9793 | SPring-8 | BL26B2 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 50 | 99.6 | 0.067 | 55.8 | 10.3 | 21026 | 29.3 |
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) | |||||||||||
2.1 | 2.18 | 99 | 0.309 | 5.5 | 8.5 | 1098 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | MAD | THROUGHOUT | 2.1 | 22.68 | 20995 | 2074 | 99.6 | 0.244 | 0.244 | 0.288 | RANDOM | 47.9 |
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] | |
-2.45 | -2.45 | 4.9 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 14.3 |
c_scangle_it | 8.15 |
c_scbond_it | 6.03 |
c_mcangle_it | 4.6 |
c_mcbond_it | 3.75 |
c_angle_deg | 0.9 |
c_improper_angle_d | 0.59 |
c_bond_d | 0.004 |
c_bond_d_na | |
c_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2421 |
Nucleic Acid Atoms | |
Solvent Atoms | 99 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
BSS | data collection |
SOLVE | phasing |
CNS | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |