7KB7

THE STRUCTURE OF A SENSOR DOMAIN OF A HISTIDINE KINASE (VxrA) FROM VIBRIO CHOLERAE O1 BIOVAR ELTOR STR. N16961, N239-T240 deletion mutant


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4R7Q 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.52890.1 M Tris:HCl, 1 M Magnesium Sulfate
Crystal Properties
Matthews coefficientSolvent content
4.2170.8

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 87.856α = 90
b = 87.856β = 90
c = 107.679γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 S 6M2020-07-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-ID0.97918APS19-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)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
12.24699.80.0880.04229.25.722071-355.88
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.22.2499.90.860.3816

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE4R7Q2.245.911.3621978113399.770.20320.20190.2267random67.65
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_d22.693
f_angle_d0.601
f_chiral_restr0.0404
f_plane_restr0.0039
f_bond_d0.0031
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1719
Nucleic Acid Atoms
Solvent Atoms27
Heterogen Atoms41

Software

Software
Software NamePurpose
SBC-Collectdata collection
PHENIXrefinement
HKL-3000data reduction
HKL-3000data scaling
HKL-3000phasing