4UM4

STRUCTURE OF INORGANIC PYROPHOSPHATASE FROM ESCHERICHIA COLI IN COMPLEX WITH SULFATE


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1MJWPDB ENTRY 1MJW

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.60.1M SODIUM ACETATE TRIHYDRATE, 2.0M AMMONIUM SULFATE,5 MM DTT, pH 4.6
Crystal Properties
Matthews coefficientSolvent content
4.4472.28

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 120.044α = 90
b = 108.943β = 97.48
c = 81.014γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCDDOUBLE CRYSTAL CHANNEL CUT, SI(111), 1M LONG RH COATED TOROIDAL MIRROR FOR VERTICAL AND HORIZONTAL FOCUSING.2011-12-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X6ANSLSX6A

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
12.6519.1920.0610.72.22750845.79
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)
12.652.6594.10.432.42.2

Refinement

Statistics
Diffraction IDStructure Solution 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 REPLACEMENTPDB ENTRY 1MJW2.6519.0991.3827498138091.60.19540.19340.2346
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_d18.328
f_angle_d1.394
f_chiral_restr0.086
f_bond_d0.011
f_plane_restr0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4143
Nucleic Acid Atoms
Solvent Atoms74
Heterogen Atoms15

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
SCALAdata scaling
PHASERphasing