4F3V
Crystal structure of N-terminal domain of EccA1 ATPase from ESX-1 secretion system of Mycobacterium tuberculosis
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.6 | 295 | 0.1M SODIUM CITRATE PH 5.6, 1.0M LITHIUM SULFATE, 0.5M AMMONIUM SULFATE, vapor diffusion, sitting drop, temperature 295K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.95 | 58.37 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 73.23 | α = 90 |
b = 92.51 | β = 90 |
c = 105.71 | 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 | MARMOSAIC 300 mm CCD | 2012-03-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-ID | 1.0 | APS | 22-ID |
Data Collection
Overall | |||||||||||||||||||
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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 | 30 | 99.6 | 0.089 | 10.63 | 49283 | -3 | 30.791 |
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) | |||||||||||
1 | 2 | 2.05 | 97.9 | 0.793 | 1.55 |
Refinement
Statistics | |||||||||||||||||||
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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 | SAD | THROUGHOUT | 2 | 30 | 49226 | 2525 | 99.93 | 0.1757 | 0.1738 | 0.2107 | RANDOM | 27.3646 |
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] | |
1.11 | -0.47 | -0.64 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 28.7 |
r_dihedral_angle_4_deg | 16.354 |
r_dihedral_angle_3_deg | 13.612 |
r_dihedral_angle_1_deg | 5.311 |
r_angle_refined_deg | 1.286 |
r_angle_other_deg | 1.149 |
r_chiral_restr | 0.07 |
r_bond_refined_d | 0.011 |
r_gen_planes_refined | 0.006 |
r_bond_other_d | 0.004 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4135 |
Nucleic Acid Atoms | |
Solvent Atoms | 453 |
Heterogen Atoms | 33 |
Software
Software | |
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Software Name | Purpose |
XSCALE | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
SERGUI | data collection |