1RHO

STRUCTURE OF RHO GUANINE NUCLEOTIDE DISSOCIATION INHIBITOR

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5		2 M NH4 SO4 0.1 M TRIS PH 8.5

Crystal Properties
Matthews coefficient	Solvent content
3.14	58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 156.57	α = 90
b = 156.57	β = 90
c = 132.59	γ = 120

Symmetry
Space Group	H 3 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	IMAGE PLATE	MARRESEARCH		1996-07-28	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE BW7A		EMBL/DESY, HAMBURG	BW7A

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	2.5	30	92.9	0.071	25.4	13.4		20345			48.9

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)
	2.5	2.59	95.3		0.254	8.7	11

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIR WITH ANOMALOUS	THROUGHOUT	2.5	8	2	19482	1000	92.8	0.225	0.225	0.298	SHELLS	23

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
x_dihedral_angle_d	27.7
x_scangle_it	6.99
x_scbond_it	5.04
x_mcangle_it	4.46
x_mcbond_it	2.94
x_angle_deg	2
x_improper_angle_d	1.76
x_bond_d	0.012
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3427
Nucleic Acid Atoms
Solvent Atoms	191
Heterogen Atoms	45

Software

Software
Software Name	Purpose
X-PLOR	refinement
X-PLOR	model building
SHELX	refinement
SHELX	model building
DENZO	data reduction
SCALEPACK	data scaling
SHELX	phasing
X-PLOR	phasing