1OMW

Crystal Structure of the complex between G Protein-Coupled Receptor Kinase 2 and Heterotrimeric G Protein beta 1 and gamma 2 subunits

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1ATP	PDB ENTRY 1ABG, 1ATP, 1BAK, 1DK8
experimental model	PDB	1BAK	PDB ENTRY 1ABG, 1ATP, 1BAK, 1DK8
experimental model	PDB	1DK8	PDB ENTRY 1ABG, 1ATP, 1BAK, 1DK8

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.75	277	PEG 3350, Sodium Chloride, CHAPS, ATP, Magnesium Chloride, Mastoparan , MES pH 5.75, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3	59.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 188.2	α = 90
b = 72.5	β = 115.2
c = 122.79	γ = 90

Symmetry
Space Group	C 1 2 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	MARRESEARCH	Osmic confocal Max-flux	2002-06-15	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	ADSC QUANTUM 210		2002-07-17	M	SINGLE WAVELENGTH
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200H	1.5418
2	SYNCHROTRON	ALS BEAMLINE 8.2.1	1.000	ALS	8.2.1

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
1,2	2.5	20	73.6	0.05	15.3	2.4	135084	56160	-2	-2	37.42

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)
1,2	2.5	2.59	12.7		0.253	2.7	0.67	1977

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	The structure was initally solved with R-free as the cross validation method, but for the last three rounds of refinement, the structure was refined against all of the data.	PDB ENTRY 1ABG, 1ATP, 1BAK, 1DK8	2.5	20	-2	38249	36307	1942	73.62	0.2164	0.21648	0.20223	0.25196	RANDOM	27.933

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]
-6.04		-6.28	8.91		-8.22

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	7.169
r_scangle_it	4.124
r_scbond_it	2.529
r_angle_refined_deg	2.035
r_mcangle_it	1.691
r_angle_other_deg	1.007
r_mcbond_it	0.894
r_symmetry_vdw_other	0.247
r_nbd_other	0.244
r_symmetry_hbond_refined	0.237
r_nbd_refined	0.232
r_xyhbond_nbd_refined	0.196
r_symmetry_vdw_refined	0.164
r_chiral_restr	0.103
r_nbtor_other	0.099
r_bond_refined_d	0.024
r_gen_planes_refined	0.008
r_gen_planes_other	0.005
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8125
Nucleic Acid Atoms
Solvent Atoms	26
Heterogen Atoms

Software

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