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)
Type	Source	Accession Code	Details
experimental model	PDB	6VJJ	6VJJ, 1FAR
experimental model	PDB	1FAR	6VJJ, 1FAR

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	100 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 coefficient	Solvent content
3.27	62.44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 133.984	α = 90
b = 133.984	β = 90
c = 89.275	γ = 120

Symmetry
Space Group	P 6 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS EIGER X 16M		2018-04-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-E	0.9791	APS	24-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)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.5	48.65	98.4	0.089	0.097	0.999	14.03	6.164		16642			59.192

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)	Redundancy	Number Unique Reflections (All)
1	2.5	2.65	99.2		0.86	0.937	0.74	1.91	6.265

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	6VJJ, 1FAR	2.5	48.65	1.34	16638	1664	98.39	0.19	0.1863	0.2213	62.1845

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 Atoms	Number
Protein Atoms	2402
Nucleic Acid Atoms
Solvent Atoms	87
Heterogen Atoms	54

Software

Software
Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
PHASER	phasing
PHENIX	refinement

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.