1NP6
Crystal structure of Escherichia coli MobB
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 293 | PEG 4000, ammonium sulphate, glycerol, magnesium chloride, GDP, DTT, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 20K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.36 | 47.37 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 52.4 | α = 90 |
b = 64.791 | β = 97.68 |
c = 54.241 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | ADSC QUANTUM 4 | 2001-02-11 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SRS BEAMLINE PX9.6 | 0.87 | SRS | PX9.6 |
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 | 1.9 | 20 | 93 | 0.042 | 18.6 | 29445 | 29445 | 29.9 |
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) | ||||||||||
1.87 | 1.94 | 97.5 | 0.273 | 0.273 | 4.6 | 2844 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | Partial model of MobB previously solved by MAD | 1.9 | 20 | 28248 | 26805 | 1443 | 99.31 | 0.218 | 0.21838 | 0.21477 | 0.28502 | RANDOM | 45.729 |
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] | |
3.72 | 4.86 | -1.91 | -0.51 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_scangle_it | 11.367 |
r_scbond_it | 9.737 |
r_mcangle_it | 8.751 |
r_mcbond_it | 7.048 |
r_dihedral_angle_1_deg | 6.941 |
r_angle_refined_deg | 1.328 |
r_nbd_refined | 0.192 |
r_symmetry_hbond_refined | 0.19 |
r_xyhbond_nbd_refined | 0.159 |
r_symmetry_vdw_refined | 0.152 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2555 |
Nucleic Acid Atoms | |
Solvent Atoms | 202 |
Heterogen Atoms | 10 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL-2000 | data reduction |
SCALEPACK | data scaling |
AMoRE | phasing |