3MI0
Crystal Structure of Mycobacterium Tuberculosis Proteasome at 2.2 A
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2FHG | PDB entry 2FHG |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.7 | 277 | 13.2% PEG 6000, 60mM sodium citrate, pH 5.7, VAPOR DIFFUSION, SITTING DROP, temperature 277.0K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.48 | 50.43 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 170.374 | α = 90 |
b = 118.436 | β = 113.02 |
c = 195.249 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 4 | 2008-10-28 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X29A | 1.0809 | NSLS | X29A |
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 | 2.1 | 25 | 94.3 | 0.117 | 9.7 | 4.6 | 378907 | 362039 | 14 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 82.7 | 0.641 | 1.4 | 2.6 | 33082 |
Refinement
Statistics | |||||||||||||||||||
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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 | PDB entry 2FHG | 2.2 | 24.95 | 361323 | 332584 | 16559 | 92 | 0.225 | 0.205 | 0.205 | 0.234 | RANDOM | 40.5 |
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] | |
2.92 | 0.27 | -2.97 | 0.06 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 26.3 |
c_angle_deg | 1.6 |
c_improper_angle_d | 1.34 |
c_bond_d | 0.014 |
c_bond_d_na | |
c_bond_d_prot | |
c_angle_d | |
c_angle_d_na | |
c_angle_d_prot | |
c_angle_deg_na |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 46505 |
Nucleic Acid Atoms | |
Solvent Atoms | 2680 |
Heterogen Atoms | 895 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
CNS | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
CNS | phasing |