2IHB

Crystal structure of the heterodimeric complex of human RGS10 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	1AGR	Swissmodel based on the coordinates of PDB entries 1agr, 1ezt, 1ezy, 2bv1
experimental model	PDB	1EZT	Swissmodel based on the coordinates of PDB entries 1agr, 1ezt, 1ezy, 2bv1
experimental model	PDB	1EZY	Swissmodel based on the coordinates of PDB entries 1agr, 1ezt, 1ezy, 2bv1
experimental model	PDB	2BV1	Swissmodel based on the coordinates of PDB entries 1agr, 1ezt, 1ezy, 2bv1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	293	0.2M (NH4)2SO4, 0.1M Bis-Tris, pH 5.5, 25% PEG3350 , VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.33	63.08

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 100.628	α = 90
b = 100.628	β = 90
c = 145.359	γ = 90

Symmetry
Space Group	P 43 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		2006-05-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.97925	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	2.7	50	97.2			20815	20470

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	2.7	2.75	80.2

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	Swissmodel based on the coordinates of PDB entries 1agr, 1ezt, 1ezy, 2bv1	2.71	47.6	19430	19430	1040	97.42	0.20913	0.20913	0.20763	0.23632	RANDOM	48.111

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]
2.07			2.07		-4.13

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.469
r_dihedral_angle_4_deg	21.765
r_dihedral_angle_3_deg	15.248
r_dihedral_angle_1_deg	5.349
r_scangle_it	1.47
r_angle_refined_deg	1.057
r_scbond_it	0.895
r_angle_other_deg	0.806
r_mcangle_it	0.702
r_mcbond_it	0.386
r_nbd_refined	0.213
r_nbtor_refined	0.186
r_symmetry_vdw_other	0.178
r_nbd_other	0.173
r_xyhbond_nbd_refined	0.141
r_metal_ion_refined	0.102
r_nbtor_other	0.083
r_symmetry_vdw_refined	0.056
r_chiral_restr	0.055
r_mcbond_other	0.053
r_symmetry_hbond_refined	0.027
r_bond_refined_d	0.009
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
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	3399
Nucleic Acid Atoms
Solvent Atoms	18
Heterogen Atoms	34

Software

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