6XHB

Crystal Structure of wild-type KRAS (GMPPNP-bound) in complex with RAS-binding domain (RBD) and cysteine-rich domain (CRD) of RAF1/CRAF (crystal form II)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6VJJ6VJJ, 1FAR
experimental modelPDB 1FAR6VJJ, 1FAR

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.5293100 mM sodium cacodylate pH 6.5, 200 mM sodium citrate, 15% 2-propanol, 0.25% (w/v) n-octyl-beta-D-glucoside, 0.35 mM D-myo-phosphatidylinositol 3,4,5-triphosphate, and 0.25% (w/v) n-dodecyl-beta-D-maltoside
Crystal Properties
Matthews coefficientSolvent content
3.2762.44

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 133.984α = 90
b = 133.984β = 90
c = 89.275γ = 120
Symmetry
Space GroupP 6 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16M2018-04-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-E0.9791APS24-ID-E

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)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
12.548.6598.40.0890.0970.99914.036.1641664259.192
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.52.6599.20.860.9370.741.916.265

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 REPLACEMENTTHROUGHOUT6VJJ, 1FAR2.548.651.3416638166498.390.190.18630.221362.1845
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]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2402
Nucleic Acid Atoms
Solvent Atoms87
Heterogen Atoms54

Software

Software
Software NamePurpose
XDSdata reduction
XSCALEdata scaling
PHASERphasing
PHENIXrefinement