4EFN

Crystal structure of H-Ras Q61L in complex with GppNHp (state 1)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	0.1M MES, 0.2M ammonium sulfate, 30% (w/v) PEG 5000 MME, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.24	45.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 34.782	α = 90
b = 82.006	β = 90
c = 121.251	γ = 90

Symmetry
Space Group	I 2 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	CCD	RAYONIX MX225HE	mirrors	2010-05-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL41XU	1.0	SPring-8	BL41XU

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.3	36.3	100	0.133	0.133	4.7	7.2	8078	8078

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.3	2.42	100		0.343	0.343	2.1	7.3	1156

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 4EFM	2.3	33.96	7704	7704	372	99.98	0.18525	0.18525	0.18274	0.23694	RANDOM	17.823

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]
-0.01			0.03		-0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.343
r_dihedral_angle_4_deg	17.614
r_dihedral_angle_3_deg	15.689
r_dihedral_angle_1_deg	5.198
r_scangle_it	3.707
r_scbond_it	2.145
r_mcangle_it	1.361
r_angle_refined_deg	1.256
r_mcbond_it	0.667
r_chiral_restr	0.072
r_bond_refined_d	0.011
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1322
Nucleic Acid Atoms
Solvent Atoms	67
Heterogen Atoms	33

Software

Software
Software Name	Purpose
BSS	data collection
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling