5W2Q
Crystal structure of Mycobacterium tuberculosis KasA in complex with 6U5
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4C6U |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 9.5 | 293 | 200mM NaCl, 8% Isopropanol, 1mM Tris(2-carboxyethyl)phosphine hydrochloride (TCEP HCl) |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.9 | 57.59 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 77.289 | α = 90 |
b = 77.289 | β = 90 |
c = 145.126 | γ = 120 |
Symmetry | |
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Space Group | P 31 2 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 | MARMOSAIC 325 mm CCD | 2016-04-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL14-1 | 1.1808 | SSRL | BL14-1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | 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 | 1.8 | 50 | 100 | 0.05 | 0.054 | 0.02 | 1 | 12.7 | 7.3 | 47310 | 30.14 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 1.8 | 1.83 | 100 | 0.847 | 0.913 | 0.338 | 0.757 | 2.3 | 7.3 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 4C6U | 1.8 | 49.199 | 1.34 | 47247 | 1990 | 99.95 | 0.157 | 0.1557 | 0.1862 | 37.127 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 15.541 |
f_angle_d | 0.832 |
f_chiral_restr | 0.056 |
f_bond_d | 0.006 |
f_plane_restr | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3024 |
Nucleic Acid Atoms | |
Solvent Atoms | 200 |
Heterogen Atoms | 71 |
Software
Software | |
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Software Name | Purpose |
SCALEPACK | data scaling |
PHENIX | refinement |
PDB_EXTRACT | data extraction |
HKL-2000 | data reduction |
PHASER | phasing |