1AGR

COMPLEX OF ALF4-ACTIVATED GI-ALPHA-1 WITH RGS4

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1GFI	PDB ENTRY 1GFI

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.3		THE COMPLEX WAS CRYSTALLIZED IN HANGING DROPS USING PEG 10000 AS THE PRECIPITANT AND SODIUM CITRATE PH 5.3 AS THE BUFFER., vapor diffusion - hanging drop

Crystal Properties
Matthews coefficient	Solvent content
3.4	63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 164	α = 90
b = 97.2	β = 90
c = 110	γ = 90

Symmetry
Space Group	P 21 21 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	FUJI	MIRRORS	1996-12-21	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE F1		CHESS	F1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.8	40	99.3	0.12	14.5	4.1		43341

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.8	2.9	99.4		0.55	2.8	3.8

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, DENSITY MODIFICATION	ALL BUT LAST ROUND	PDB ENTRY 1GFI	2.8	5	35475	3644	99	0.216	0.216	0.291	RANDOM	38

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	21
x_scangle_it	10.9
x_scbond_it	7.4
x_mcangle_it	5.8
x_mcbond_it	3.6
x_angle_deg	1.7
x_improper_angle_d	1.2
x_bond_d	0.011
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	7580
Nucleic Acid Atoms	56
Solvent Atoms	56
Heterogen Atoms	28

Software

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