2AU6

Crystal structure of catalytic intermediate of inorganic pyrophosphatase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
15pH 5.0
Crystal Properties
Matthews coefficientSolvent content
2.1843.6

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 110.805α = 90
b = 110.805β = 90
c = 73.576γ = 120
Symmetry
Space GroupH 3 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCHDOUBLE FOCUSSING X-RAY OPTICS2003-10-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMPG/DESY, HAMBURG BEAMLINE BW6MPG/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
11.22099.90.04716.15.15615256152
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)
11.21.221000.4142.543.6

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 REPLACEMENT1.2105108651086267494.80.12520.12520.1568RANDOM
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
331310.931604.36
RMS Deviations
KeyRefinement Restraint Deviation
s_angle_d0.039
s_bond_d0.017
s_similar_dist
s_from_restr_planes
s_zero_chiral_vol
s_non_zero_chiral_vol
s_anti_bump_dis_restr
s_rigid_bond_adp_cmpnt
s_similar_adp_cmpnt
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1380
Nucleic Acid Atoms
Solvent Atoms289
Heterogen Atoms25

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
SHELXL-97refinement