3R5V

The structure of calcium bound Thermococcus thioreducens inorganic pyrophosphatase at 298K


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1counter diffusion, free-interface diffusion6.5298Hepes, MPD, Na acetate, Calcium Chloride, pH 6.5, counter diffusion, free-interface diffusion, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.2846.02

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 106.092α = 90
b = 95.564β = 98.1
c = 113.769γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298CCDMARMOSAIC 300 mm CCD2010-07-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-ID0.97APS22-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
11.655083.80.05511.61.7127937
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.651.6869.10.391.49259

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONFIXED MODEL3I981.6546.235132456121472608490.080.12370.12160.163325.7749
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]
-1.32381.14771.5842-0.2603
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.843
f_angle_d1.048
f_chiral_restr0.071
f_bond_d0.006
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms8620
Nucleic Acid Atoms
Solvent Atoms612
Heterogen Atoms30

Software

Software
Software NamePurpose
SCALEPACKdata scaling
PHENIXrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection
DENZOdata reduction
PHENIXphasing