Experiment: 9C3V

Crystal structure of GDP-bound KRAS G12D/D54R: Suppressing G12D oncogenicity via second-site D54R mutation

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5US4

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	0.2 M Di-sodium Phosphate, 2.2 M Ammonium Sulfate

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.746	α = 90
b = 82.746	β = 90
c = 40.677	γ = 120

Symmetry
Space Group	P 3

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 PILATUS 6M-F		2020-02-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-E	.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	2.51	200	97.2	0.079	0.096	0.997	8.13	2.9		10371

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	2.51	2.58			0.716	0.883	0.469

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	5US4	2.51	71.66	1.97	10371	1025	97.42	0.2046	0.1974	0.2061	0.2681	0.2709

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
Key	Refinement Restraint Deviation
f_dihedral_angle_d	24.289
f_angle_d	1.041
f_chiral_restr	0.056
f_bond_d	0.007
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2454
Nucleic Acid Atoms
Solvent Atoms	39
Heterogen Atoms	63

Software

Software
Software Name	Purpose
PHENIX	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
PHENIX	phasing