2ODE

Crystal structure of the heterodimeric complex of human RGS8 and activated Gi alpha 3

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2IHB	PDB ENTRY 2IHB

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	0.20M NH4Cl, 20.0% PEG 6K, 10.0% EtGly, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 112.837	α = 90
b = 130.216	β = 90
c = 68.519	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	CCD	MARMOSAIC 225 mm CCD		2006-10-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.97901	SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.9	30	100			80222	80222

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	1.9	1.97	100

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2IHB	1.9	29.4	76139	76139	4021	99.79	0.18148	0.18148	0.17988	0.21105	RANDOM	27.626

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]
0.76			-1.36		0.6

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.161
r_dihedral_angle_4_deg	18.883
r_dihedral_angle_3_deg	13.153
r_dihedral_angle_1_deg	5.443
r_scangle_it	2.82
r_scbond_it	1.905
r_angle_refined_deg	1.369
r_mcangle_it	1.159
r_angle_other_deg	0.953
r_mcbond_it	0.786
r_symmetry_vdw_other	0.302
r_symmetry_vdw_refined	0.247
r_mcbond_other	0.223
r_nbd_refined	0.215
r_symmetry_hbond_refined	0.209
r_xyhbond_nbd_refined	0.193
r_nbd_other	0.191
r_nbtor_refined	0.179
r_nbtor_other	0.086
r_chiral_restr	0.081
r_bond_refined_d	0.014
r_gen_planes_refined	0.005
r_bond_other_d	0.002
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6980
Nucleic Acid Atoms
Solvent Atoms	655
Heterogen Atoms	68

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing