6P8W

Crystal structure of human KRAS G12C covalently bound to an acryloylazetidine acetamide inhibitor.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	0.2M Calcium chloride, 0.1M MES pH6.5, 30% PEG4000

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 32.848	α = 78.3
b = 39.084	β = 81.43
c = 61.847	γ = 77.3

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	RIGAKU SATURN 92	VariMax HF	2015-05-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E SUPERBRIGHT	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Rrim I (All)	Rpim I (All)	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	2.1	30	93.9	0.068	0.096	0.068	10.2	1.9		17067

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.18	78.5		0.246	0.348	0.246	0.837	3.05	1.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.1	30	15252	760	93.78	0.23215	0.22991	0.27689	RANDOM	30.215

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]
-0.17	-0.19	-0.02	1.47	1.46	-0.97

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.389
r_dihedral_angle_3_deg	15.747
r_dihedral_angle_4_deg	14.38
r_dihedral_angle_1_deg	4.464
r_long_range_B_refined	2.84
r_long_range_B_other	2.811
r_mcangle_it	1.199
r_mcangle_other	1.199
r_angle_refined_deg	0.966
r_angle_other_deg	0.863
r_scangle_other	0.747
r_mcbond_other	0.639
r_mcbond_it	0.637
r_scbond_it	0.425
r_scbond_other	0.413
r_chiral_restr	0.05
r_bond_refined_d	0.005
r_bond_other_d	0.002
r_gen_planes_refined	0.002
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2689
Nucleic Acid Atoms
Solvent Atoms	143
Heterogen Atoms	118

Software

Software
Software Name	Purpose
CrystalClear	data collection
DENZO	data reduction
HKL-2000	data reduction
SCALEPACK	data scaling
HKL-2000	data scaling
REFMAC	refinement
Coot	model building
PHASER	phasing