4URU | pdb_00004uru

The crystal structure of H-Ras and SOS in complex with ligands

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				3.2M SODIUM FORMATE, 2% DMSO

Crystal Properties
Matthews coefficient	Solvent content
3.57	65.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 149.282	α = 90
b = 149.282	β = 90
c = 200.517	γ = 90

Symmetry
Space Group	I 4 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	ADSC QUANTUM 315r		2010-04-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1		ESRF	ID23-1

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	2.83	119.74	100	0.07	30.7	12		27510			74.95

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	2.83	2.98	100		0.48	5.6	12.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	NONE	2.83	105.56	27366	1373	99.98	0.1921	0.1898	0.19	0.237	0.22	RANDOM	59.89

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]
-0.2418			-0.2418		0.4836

RMS Deviations
Key	Refinement Restraint Deviation
t_other_torsion	17.88
t_omega_torsion	3.12
t_angle_deg	1.02
t_bond_d	0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5053
Nucleic Acid Atoms
Solvent Atoms	71
Heterogen Atoms	17

Software

Software
Software Name	Purpose
BUSTER	refinement
MOSFLM	data reduction