2BCJ

Crystal Structure of G Protein-Coupled Receptor Kinase 2 in Complex with Galpha-q and Gbetagamma Subunits

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1OMW	PDB ENTRY 1OMW, homology model of Galphaq

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	277	9% PEG8000, 1M NaCl, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.22	61.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.918	α = 90
b = 129.954	β = 95.81
c = 122.764	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	CCD	ADSC QUANTUM 4		2005-04-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	1.116	ALS	8.3.1

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	3.06	46.78	100	0.133	13.55	5.7	37836	37836		-2	75

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)
1	3.06	3.21	99.9		0.849	1.1		3738

Refinement

Statistics
Diffraction ID	Structure Solution 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	PDB ENTRY 1OMW, homology model of Galphaq	3.061	46.78	38314	37811	1900	98.78	0.236	0.236	0.243	0.292	Random	99.74

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]
-0.58		-0.36	5.78		-5.27

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.926
r_dihedral_angle_4_deg	15.389
r_dihedral_angle_3_deg	14.653
r_dihedral_angle_1_deg	5.544
r_scangle_it	1.416
r_scbond_it	0.975
r_angle_refined_deg	0.917
r_mcangle_it	0.817
r_mcbond_it	0.71
r_angle_other_deg	0.681
r_nbd_refined	0.186
r_symmetry_hbond_refined	0.174
r_nbtor_refined	0.172
r_nbd_other	0.155
r_xyhbond_nbd_refined	0.132
r_symmetry_vdw_other	0.126
r_symmetry_vdw_refined	0.106
r_nbtor_other	0.078
r_metal_ion_refined	0.071
r_chiral_restr	0.053
r_mcbond_other	0.035
r_bond_refined_d	0.006
r_gen_planes_refined	0.002
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10839
Nucleic Acid Atoms
Solvent Atoms	5
Heterogen Atoms	34

Software

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