5HKB

Crystal structure of the CFTR inhibitory factor Cif bound to the inhibitor KB2115


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3KB2 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5291PEG 8000, Calcium Chloride, Sodium Acetate, Dimethylsulfoxide
Crystal Properties
Matthews coefficientSolvent content
2.2946.31

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 84.168α = 90
b = 169.494β = 90
c = 175.568γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray80CCDADSC QUANTUM 2702012-09-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X6A1.000NSLSX6A

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
11.6519.92199.990.10221.7614.6150068
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)
11.651.751000.4187.2214.2

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-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE3KB21.6519.9211.36150014751899.950.19080.18950.2151
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]
-2.3607-1.46363.8243
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.741
f_angle_d1.161
f_chiral_restr0.079
f_bond_d0.007
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9492
Nucleic Acid Atoms
Solvent Atoms1413
Heterogen Atoms120

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XSCALEdata scaling
PHENIXphasing