4H60

High resolution structure of Vibrio cholerae chemotaxis protein CheY4 crystallized in low pH (4.0) condition


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3TO5PDB ENTRY 3TO5

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP42931.6 M ammonium sulfate, pH 4.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
1.8131.96

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 95.291α = 90
b = 31.014β = 96.59
c = 32.735γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plate2004-01-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU3001.54

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
11.663095.10.04498.6114471088218.4
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.66

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 REPLACEMENTTHROUGHOUTPDB ENTRY 3TO51.6622.241144710882548950.2180.2180.246RANDOM20.3
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]
0.96-2.63-1.961
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.2
c_scangle_it7.5
c_scbond_it4.94
c_mcangle_it3.15
c_mcbond_it2.02
c_angle_deg1.5
c_improper_angle_d1.23
c_bond_d0.021
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms930
Nucleic Acid Atoms
Solvent Atoms113
Heterogen Atoms6

Software

Software
Software NamePurpose
MAR345dtbdata collection
AMoREphasing
CNSrefinement
AUTOMARdata reduction