7TU1

Structure of the L. blandensis dGTPase R37A mutant


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.5293Crystal grown in 1ul:1ul drops of well solution (0.6M Sodium Potassium Tartrate, 0.16M Lithium Sulfate, 0.1M Bis-Tris pH 6.5) and 10mg/mL protein. Cryoprotected by soaking in well solution with 30% ethylene glycol added
Crystal Properties
Matthews coefficientSolvent content
3.0359.43

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 181.437α = 90
b = 181.437β = 90
c = 110.845γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16MSi 111. Rosenbaum-Rock double-crystal monochromator: liquid nitrogen cooled; sagitally focusing 2nd crystal, Rosenbaum-Rock vertical focusing mirror2019-11-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-ID1APS22-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)CC (Half)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.84099.70.1240.1280.99511.3115.116936141.98
Highest Resolution Shell
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)RedundancyNumber Unique Reflections (All)
11.81.9199.11.8821.9480.5471.0115

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE3BG21.836.211.34169276535199.660.17710.17680.19954.97
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
KeyRefinement Restraint Deviation
f_dihedral_angle_d15.62
f_angle_d0.9331
f_chiral_restr0.0596
f_bond_d0.008
f_plane_restr0.0066
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms10266
Nucleic Acid Atoms
Solvent Atoms592
Heterogen Atoms57

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XDSdata scaling
PHASERphasing