2C2H

CRYSTAL STRUCTURE OF THE HUMAN RAC3 IN COMPLEX WITH GDP

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		30% MPD, 0.5 M AMMONIUM SULFATE, 0.1 M HEPES PH 4.5

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 110.32	α = 90
b = 110.32	β = 90
c = 81.79	γ = 120

Symmetry
Space Group	H 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	CCD	MARRESEARCH	MIRRORS	2005-09-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA		SLS	X10SA

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	1.85	27.07	91.3	0.07	10.99	3.24		28734		2

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	1.8	1.9	93.1		0.51	2	2.76

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1G4U	1.85	62.14	27267	1461	90.5	0.195	0.194	0.229	RANDOM	23.62

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]
-0.4	-0.2		-0.4		0.59

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.047
r_dihedral_angle_4_deg	25.621
r_dihedral_angle_3_deg	13.635
r_dihedral_angle_1_deg	5.59
r_scangle_it	2.428
r_angle_refined_deg	1.773
r_scbond_it	1.684
r_mcangle_it	1.046
r_angle_other_deg	0.84
r_mcbond_it	0.656
r_symmetry_vdw_other	0.298
r_symmetry_vdw_refined	0.289
r_symmetry_hbond_refined	0.244
r_nbd_refined	0.223
r_nbtor_refined	0.196
r_xyhbond_nbd_refined	0.184
r_nbd_other	0.181
r_nbtor_other	0.085
r_chiral_restr	0.084
r_bond_refined_d	0.012
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2548
Nucleic Acid Atoms
Solvent Atoms	166
Heterogen Atoms	289

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing