3GA8
Structure of the N-terminal domain of the E. coli protein MqsA (YgiT/b3021)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.1 | 298 | 30% PEG 4000, 0.1M Tris, 0.2M sodium selenate, pH 8.1, VAPOR DIFFUSION, SITTING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.48 | 50.38 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 30.841 | α = 90 |
b = 52.106 | β = 90 |
c = 53.767 | 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 | CCD | ADSC QUANTUM 270 | Toroidal focusing mirror | 2008-12-04 | M | SAD | |||||
2 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 270 | Toroidal focusing mirror | 2008-12-04 | M | SAD | |||||
1,2 | 1 |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X6A | 0.9787 | NSLS | X6A |
2 | SYNCHROTRON | NSLS BEAMLINE X6A | 0.9321 | NSLS | X6A |
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 | ||||||||
1,2 | 1.7 | 50 | 97.4 | 0.057 | 21.1 | 5 | 10054 | 9796 | 15.9 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1,2 | 1.7 | 1.73 | 96.7 | 0.262 | 6.62 | 5.2 | 484 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | SAD | THROUGHOUT | 1.7 | 37.42 | 9308 | 9308 | 467 | 97.57 | 0.16591 | 0.16591 | 0.1649 | 0.18559 | RANDOM | 12.698 |
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] | |
-0.1 | -0.2 | 0.29 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 28.498 |
r_dihedral_angle_4_deg | 16.827 |
r_dihedral_angle_3_deg | 9.263 |
r_scangle_it | 5.432 |
r_dihedral_angle_1_deg | 5.111 |
r_scbond_it | 3.761 |
r_mcangle_it | 2.518 |
r_mcbond_it | 1.799 |
r_angle_refined_deg | 1.283 |
r_angle_other_deg | 0.826 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 511 |
Nucleic Acid Atoms | |
Solvent Atoms | 97 |
Heterogen Atoms | 11 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
SHELXS | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |