2RH1

High resolution crystal structure of human B2-adrenergic G protein-coupled receptor.

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1U19	PDB entries 1U19, 2LZM
experimental model	PDB	2LZM	PDB entries 1U19, 2LZM

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	LIPIDIC MESOPHASE	6.75	293	30-35% v/v PEG 400, 0.1-0.2 M Na2SO4, 0.1 M Bis-tris propane pH 6.5-7.0, 5-7% 1,4-Butanediol, 8-10% Cholesterol, 52-50% Monoolein, pH 6.75, LIPIDIC MESOPHASE, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.07	59.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 106.318	α = 90
b = 169.24	β = 105.62
c = 40.154	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	78	CCD	MARMOSAIC 300 mm CCD	mirrors	2007-06-22	M	SINGLE WAVELENGTH
2	1		CCD	MARMOSAIC 300 mm CCD	mirrors	2007-07-18

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-B	1.03321	APS	23-ID-B
2	SYNCHROTRON	APS BEAMLINE 23-ID-B	1.03321	APS	23-ID-B

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.4	20	99.2	0.127	9.62		26705	26506		-3	63.908

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.4	2.5	99.1		0.678	2.2

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	PDB entries 1U19, 2LZM	2.4	19.95	26506	26506	1310	99.79	0.198	0.198	0.196	0.232	RANDOM	63.912

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		2.26	-3.46		4.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.604
r_dihedral_angle_4_deg	12.164
r_dihedral_angle_3_deg	11.383
r_scangle_it	5.849
r_scbond_it	4.582
r_angle_other_deg	4.099
r_dihedral_angle_1_deg	3.876
r_mcangle_it	2.767
r_mcbond_it	2.352
r_angle_refined_deg	1.5
r_nbd_other	0.194
r_symmetry_hbond_refined	0.192
r_nbd_refined	0.187
r_nbtor_refined	0.18
r_xyhbond_nbd_refined	0.164
r_symmetry_vdw_refined	0.155
r_symmetry_vdw_other	0.14
r_nbtor_other	0.107
r_mcbond_other	0.097
r_chiral_restr	0.06
r_bond_refined_d	0.013
r_gen_planes_refined	0.001
r_gen_planes_other	0.001
r_bond_other_d

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3543
Nucleic Acid Atoms
Solvent Atoms	48
Heterogen Atoms	213

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
Blu-Ice	data collection
XDS	data reduction
XDS	data scaling