5U94
Crystal structure of the Mycobacterium tuberculosis PASTA kinase PknB in complex with the potential theraputic kinase inhibitor GSK690693.
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1O6Y |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 296 | 12.5% PEG 3350, 0.25M bis-tris propane pH 7.5, 0.5% glycerol, 0.1% thymidne, and 0.1% b-cyclodextran all added 1:1 with protein (9.8mg/mL) and 120uM inhibitor in 150mM NaCl, 10mM Tris pH 8.0, 1mM DTT, ans 1mM MgCl2 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.8 | 56.01 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 114.786 | α = 90 |
b = 121.294 | β = 90 |
c = 49.529 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 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 | PIXEL | DECTRIS EIGER X 9M | 2015-08-23 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-D | 1.12717 | APS | 21-ID-D |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.05 | 50 | 96.5 | 0.105 | 23.59 | 12.7 | 20754 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Rpim I (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.05 | 2.09 | 77.7 | 0.048 | 748 |
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 | FREE R-VALUE | 1O6Y | 2.2 | 41.686 | 1.34 | 17624 | 1685 | 98.03 | 0.2043 | 0.2008 | 0.2371 | 83.8267 |
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 | |
---|---|
Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 18.876 |
f_angle_d | 0.565 |
f_chiral_restr | 0.044 |
f_plane_restr | 0.003 |
f_bond_d | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2011 |
Nucleic Acid Atoms | |
Solvent Atoms | 44 |
Heterogen Atoms | 172 |
Software
Software | |
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Software Name | Purpose |
SCALEPACK | data scaling |
PHENIX | refinement |
PDB_EXTRACT | data extraction |
HKL-2000 | data reduction |
PHENIX | phasing |