Experiment: 4TQ9

Crystal Structure of a GDP-bound G12V Oncogenic Mutant of Human GTPase KRas

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	293	0.2M Sodium Acetate pH4.5, 0.1M Tris pH 8.5, 24% PEG 3,350

Crystal Properties
Matthews coefficient	Solvent content
1.95	37.05

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 65.32	α = 90
b = 41.427	β = 105.09
c = 115.119	γ = 90

Symmetry
Space Group	C 1 2 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	ADSC QUANTUM 210r		2014-02-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97924	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	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	1.49	50	98.5	0.061	8.5	4.5		48032			14.97

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.49	1.52	93.6		0.504		3.4	2201

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1.491	37.049	1.34	47924	1982	98.25	0.1656	0.1644	0.194	0.191	Random selection	20.36

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	16.831
f_angle_d	1.297
f_chiral_restr	0.076
f_bond_d	0.009
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2688
Nucleic Acid Atoms
Solvent Atoms	364
Heterogen Atoms	76

Software

Software
Software Name	Purpose
HKL-3000	data reduction
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL-3000	data scaling
PHASER	phasing
DENZO	data reduction
SCALEPACK	data scaling