3O14
Crystal structure of an anti-ECFsigma factor, ChrR (Maqu_0586) from MARINOBACTER AQUAEOLEI VT8 at 1.70 A resolution
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 10.9 | 277 | 0.2000M lithium sulfate, 2.5000M ammonium sulfate, 0.1M CAPS pH 10.9, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.27 | 45.74 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 44.105 | α = 75.96 |
b = 45.773 | β = 71.08 |
c = 65.892 | γ = 63.35 |
Symmetry | |
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Space Group | P 1 |
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 325 mm CCD | Flat collimating mirror, toroid focusing mirror | 2010-05-13 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | 0.91837,0.97936 | SSRL | BL9-2 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.7 | 29.402 | 97.3 | 0.074 | 7.4 | 2 | 46352 | 46352 | 11.168 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.7 | 1.74 | 95.8 | 0.317 | 0.317 | 2.4 | 2 | 3394 |
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 | 1.7 | 29.402 | 46346 | 2349 | 97.36 | 0.154 | 0.1522 | 0.1872 | RANDOM | 15.2051 |
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] | |
0.62 | -0.53 | -0.26 | 0.27 | 0.13 | -0.31 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.701 |
r_dihedral_angle_4_deg | 17.502 |
r_dihedral_angle_3_deg | 11.436 |
r_dihedral_angle_1_deg | 6.998 |
r_scangle_it | 3.737 |
r_scbond_it | 2.336 |
r_angle_refined_deg | 1.519 |
r_mcangle_it | 1.357 |
r_angle_other_deg | 0.908 |
r_mcbond_it | 0.777 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3383 |
Nucleic Acid Atoms | |
Solvent Atoms | 556 |
Heterogen Atoms | 100 |
Software
Software | |
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Software Name | Purpose |
SHELX | phasing |
REFMAC | refinement |
SCALA | data scaling |
PDB_EXTRACT | data extraction |
MOSFLM | data reduction |
SHELXD | phasing |
autoSHARP | phasing |