3B42

Periplasmic sensor domain of chemotaxis protein GSU0935


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.2298PEG-Ion screen: 6, pH 4.2, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.2144.39

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.72α = 90
b = 70.74β = 90
c = 81.37γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDCUSTOM-MADE2006-11-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-BM0.97857APS19-BM

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
11.950980.07828.98.2394743898414.4
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)
1.91.97980.355.67.93902

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUT1.930.3938667382696.60.2050.2050.237RANDOM23.6
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]
2.51-6.153.64
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.1
c_scangle_it3.18
c_mcangle_it2.17
c_scbond_it2.12
c_angle_deg1.7
c_mcbond_it1.42
c_improper_angle_d0.93
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1958
Nucleic Acid Atoms
Solvent Atoms170
Heterogen Atoms86

Software

Software
Software NamePurpose
CNSrefinement
HKL-3000data reduction
HKL-3000data scaling
CNSphasing