7B6W

Crystal structure of the human alpha1B adrenergic receptor in complex with inverse agonist (+)-cyclazosin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	LIPIDIC CUBIC PHASE	6	293.15	100 mM MES 400-480 mM Li citrate 28-33% (w/v) PEG400 10 mM L-glutathione reduced form 10 uM cyclazosin

Crystal Properties
Matthews coefficient	Solvent content
3.9	68.45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.883	α = 90
b = 76.415	β = 90
c = 151.634	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS EIGER X 16M		2019-02-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	1.000	SLS	X06SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	CC (Half)	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	2.873	28.726	89	0.774	0.316	0.618	5.5	6.9		14777

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.874	3.066			5.989	2.615	0.159	1.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	6IBL	2.873	28.726	14776	743	79.287	0.291	0.2894	0.3166	28.771

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]
0.451			0.343		-0.794

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.441
r_dihedral_angle_4_deg	15.971
r_dihedral_angle_3_deg	15.269
r_lrange_it	5.832
r_lrange_other	5.831
r_dihedral_angle_1_deg	5.565
r_mcangle_it	2.457
r_mcangle_other	2.457
r_scangle_it	2.074
r_scangle_other	2.073
r_mcbond_it	1.457
r_mcbond_other	1.453
r_angle_refined_deg	1.275
r_scbond_it	1.207
r_scbond_other	1.207
r_angle_other_deg	1.153
r_symmetry_nbd_refined	0.413
r_nbd_other	0.304
r_symmetry_xyhbond_nbd_refined	0.185
r_nbd_refined	0.182
r_symmetry_nbd_other	0.177
r_nbtor_refined	0.155
r_xyhbond_nbd_refined	0.135
r_symmetry_nbtor_other	0.082
r_chiral_restr	0.046
r_bond_refined_d	0.004
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3206
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	64

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing