2WVC

Structural and mechanistic insights into Helicobacter pylori NikR function


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2CA9PDB ENTRY 2CA9

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
10.4-0.7 M AMMONIUM SULFATE, 100 MM CITRATE PH 5-5.4
Crystal Properties
Matthews coefficientSolvent content
2.4850.52

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 70.848α = 90
b = 70.848β = 90
c = 228.424γ = 120
Symmetry
Space GroupP 61 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCD2009-03-02MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID29ESRFID29

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
12.147.7899.80.098.98.920773329.56
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)
12.12.2199.30.51.57.8

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 2CA92.135.0061.1537356191199.780.20040.19970.214538.35
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]
-2.094-2.0944.188
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d18.273
f_angle_d0.708
f_chiral_restr0.051
f_bond_d0.003
f_plane_restr0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2118
Nucleic Acid Atoms
Solvent Atoms109
Heterogen Atoms59

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XDSdata scaling
PHASERphasing