2A72

Structure of the regulator of G-protein signaling domain of RGS7

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1FQJ	1FQJ_B

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	293	PEG 3350, (NH4)2SO4, BIS-TRIS, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 28.915	α = 90
b = 106.033	β = 103.71
c = 52.49	γ = 90

Symmetry
Space Group	P 1 21 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	IMAGE PLATE	RIGAKU RAXIS HTC		2005-06-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E DW

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	45.93	95.9	0.068	0.079	14.9	3.6	19896	19896			28.3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.11	81.2		0.434	0.536	2.2	2.8	2457

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	1FQJ_B.pdb	2	53	18842	18842	1028	95.64	0.18756	0.18756	0.18425	0.2489	RANDOM	28.8

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]
0.43		0.5	-1.7		1.51

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.217
r_dihedral_angle_4_deg	17.8
r_dihedral_angle_3_deg	13.973
r_dihedral_angle_1_deg	4.952
r_scangle_it	2.799
r_scbond_it	1.761
r_angle_refined_deg	1.237
r_mcangle_it	0.951
r_angle_other_deg	0.857
r_mcbond_it	0.679
r_symmetry_vdw_other	0.241
r_nbd_refined	0.214
r_nbtor_refined	0.182
r_xyhbond_nbd_refined	0.177
r_nbd_other	0.173
r_symmetry_vdw_refined	0.164
r_mcbond_other	0.159
r_symmetry_hbond_refined	0.151
r_nbtor_other	0.085
r_chiral_restr	0.073
r_bond_refined_d	0.012
r_gen_planes_refined	0.004
r_bond_other_d	0.001
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	2167
Nucleic Acid Atoms
Solvent Atoms	231
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
PHASER	phasing