5CM8

Structural Basis for the Selectivity of Guanine Nucleotide Exchange Factors for the small G-protein Ral

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4JGW	4JGW as poly Ala model

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.45	289	15% PEG 3350, 200 mM ammonium acetate, 100 mM Bis-Tris propane

Crystal Properties
Matthews coefficient	Solvent content
2.59	52.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 111.11	α = 90
b = 98.49	β = 91.61
c = 71.32	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 315r		2012-11-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	0.95372	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	2.6	50	97.7	0.096	15.81	3.1	71227	23162

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.6	2.7	99.6		3.21	3.2

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	4JGW as poly Ala model	2.6	44.42	22003	1159	100	0.26209	0.25904	0.32188	RANDOM	64.994

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]
-2.13		-2.1	4.09		-2.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.415
r_dihedral_angle_3_deg	17.457
r_dihedral_angle_4_deg	14.241
r_dihedral_angle_1_deg	4.506
r_scangle_it	1.165
r_angle_refined_deg	0.927
r_scbond_it	0.637
r_mcangle_it	0.63
r_mcbond_it	0.339
r_chiral_restr	0.063
r_bond_refined_d	0.006
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
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_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	4589
Nucleic Acid Atoms
Solvent Atoms	45
Heterogen Atoms

Software

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