3AAX
Crystal structure of probable thiosulfate sulfurtransferase cysa3 (RV3117) from Mycobacterium tuberculosis: monoclinic FORM
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1UAR | PDB ENTRY 1UAR |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 298 | Protein concentration 8mg/ml, 0.1M Tris HCl pH 8.5, Precipitant 0.2M MgCl2, 25% PEG 3350., VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.37 | 48.21 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 38.862 | α = 90 |
b = 91.428 | β = 96.58 |
c = 83.569 | 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 315r | 2007-11-30 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 8.3.1 | 1.11587 | ALS | 8.3.1 |
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 | 2.5 | 45.7 | 98.8 | 0.104 | 11.8 | 3.6 | 20078 | 20078 |
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) | |||||||||||
2.5 | 2.59 | 98 | 0.546 | 2.1 | 3.4 | 2006 |
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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1UAR | 2.5 | 41.51 | 18909 | 18909 | 1028 | 98.75 | 0.23696 | 0.23393 | 0.29123 | RANDOM | 50.363 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
3.63 | 0.87 | 0.56 | -3.99 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.748 |
r_dihedral_angle_3_deg | 19.048 |
r_dihedral_angle_4_deg | 13.674 |
r_dihedral_angle_1_deg | 5.289 |
r_scangle_it | 1.097 |
r_angle_refined_deg | 0.902 |
r_scbond_it | 0.634 |
r_mcangle_it | 0.608 |
r_mcbond_it | 0.327 |
r_chiral_restr | 0.069 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4329 |
Nucleic Acid Atoms | |
Solvent Atoms | 68 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
ADSC | data collection |
PHASER | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |