2AU7

The R43Q active site variant of E.coli inorganic pyrophosphatase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
15pH 5.0
Crystal Properties
Matthews coefficientSolvent content
2.1643.17

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 110.985α = 90
b = 110.985β = 90
c = 73.054γ = 120
Symmetry
Space GroupH 3 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCHDOUBLE FOCUSSING X-RAY OPTICS2004-11-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMPG/DESY, HAMBURG BEAMLINE BW60.98000MPG/DESY, HAMBURGBW6

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
11.052097.40.05117.29437294372
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)
11.051.0796.10.2062.64

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT1.05107398873988389792.60.12290.12290.1533RANDOM
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]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
331291.091628.98
RMS Deviations
KeyRefinement Restraint Deviation
s_angle_d0.038
s_bond_d0.018
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1378
Nucleic Acid Atoms
Solvent Atoms316
Heterogen Atoms15

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
SHELXL-97refinement