7TU2
Structure of the L. blandensis dGTPase R37A mutant bound to Mn
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 293 | Crystal grown in 1ul:1ul drops of well solution (0.6M Sodium Potassium Tartrate, 0.2M Lithium Sulfate, 0.1M Bis-Tris pH 6.5) and 10mg/mL protein. Cryoprotected by soaking in well solution with 30% ethylene glycol and 10mM MnCl2 added |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.98 | 58.79 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 179.934 | α = 90 |
b = 179.934 | β = 90 |
c = 110.941 | γ = 90 |
Symmetry | |
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Space Group | P 41 21 2 |
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 16M | Si 111. Rosenbaum-Rock double-crystal monochromator: liquid nitrogen cooled; sagitally focusing 2nd crystal, Rosenbaum-Rock vertical focusing mirror | 2019-11-23 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-ID | 1 | APS | 22-ID |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim 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 | 2.13 | 40 | 99.7 | 0.118 | 0.0996 | 0.997 | 9.96 | 9.4 | 102014 | 52.8 |
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) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 2.13 | 2.25 | 99.1 | 1.763 | 1.869 | 0.508 | 1.15 | 8.9 |
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 | 3BG2 | 2.13 | 36.22 | 1.34 | 101973 | 3193 | 99.19 | 0.2046 | 0.2042 | 0.2259 | 66.47 |
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 | 16.2008 |
f_angle_d | 1.0211 |
f_chiral_restr | 0.0588 |
f_bond_d | 0.008 |
f_plane_restr | 0.0066 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 10219 |
Nucleic Acid Atoms | |
Solvent Atoms | 173 |
Heterogen Atoms | 18 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
XDS | data reduction |
XDS | data scaling |
PHASER | phasing |