5AW4

Kinetics by X-ray crystallography: Rb+-substitution of bound K+ in the E2.MgF42-.2K+ crystal after 1.5 min


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2ZXE 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1MICRODIALYSIS7298PEG 3000, MPD, potassium acetate, potassium chloride, magnesium chloride, potassium fluoride, MES/TRIS
Crystal Properties
Matthews coefficientSolvent content
2.7955.96

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 219.821α = 90
b = 50.593β = 104.42
c = 162.535γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRAYONIX MX225HE2009-05-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL41XU0.8130SPring-8BL41XU

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.75096.619.62.84681821.4
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.72.78

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 REPLACEMENTTHROUGHOUT2ZXE2.814.963.52942789168.20.2860.2860.275RANDOM100.3
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]
25.78-10.63-3.7-22.08
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.8
c_mcangle_it1.41
c_improper_angle_d1.37
c_scangle_it1.2
c_angle_deg1.1
c_mcbond_it0.78
c_scbond_it0.78
c_bond_d0.009
c_bond_d_na
c_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.8
c_mcangle_it1.41
c_improper_angle_d1.37
c_scangle_it1.2
c_angle_deg1.1
c_mcbond_it0.78
c_scbond_it0.78
c_bond_d0.009
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms10154
Nucleic Acid Atoms
Solvent Atoms1
Heterogen Atoms82

Software

Software
Software NamePurpose
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing