7OBK

Crystal structure of 14-3-3 sigma in complex with PKR phosphopeptide


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4JC3 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP277.150.095 M Hepes pH7.3, 25%PEG 400, 0.19 M CaCl2 and 5 % Glycerol
Crystal Properties
Matthews coefficientSolvent content
2.4649.95

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 82.714α = 90
b = 112.56β = 90
c = 62.623γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 200K2020-09-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SEALED TUBERIGAKU MICROMAX-0031.5419

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)CC (Half)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
11.841.8799.80.0880.99714.36.2273068.95
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.81.8397.80.2830.9214.55

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-VALUE4JC31.841.861.527288136599.690.14720.14530.18311.81
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_d16.0687
f_angle_d0.9471
f_chiral_restr0.0464
f_bond_d0.009
f_plane_restr0.0061
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1899
Nucleic Acid Atoms
Solvent Atoms442
Heterogen Atoms2

Software

Software
Software NamePurpose
PHENIXrefinement
DIALSdata reduction
Aimlessdata scaling
PHASERphasing