Extended Data Table 2. X-ray data collection and refinement statistics.

	Formoterol-bound trx-β1AR–Nb80 PDB 6IBL
Data statistics
Number of crystals	1
Space group	P 21 21 21
Cell dimensions a, b, c (Å)	116.6, 121.1, 129.8
Resolution range (Å)	44.28-2.7 (2.79-2.7)*
Unique reflections	50,611 (4,416)*
Completeness before truncation (%)	99.0 (95.3)*
Multiplicity	4.6 (4.7)*
Mean |/σ|	6.6 (1.7)*
Rmerge	0.151 (0.936)*
CC1/2=0.3 h, k, I axes & overall (Å)	2.7, 3.62, 3.43, 2.92
Refinement statistics
Resolution (Å)	88.6-2.7 (2.78-2.7)*
Completeness, truncated data (%)	62.71 (2.78)
No. of reflections	30,378
Rwork/Rfree (%)	0.242/0.276 (0.323/0.348)*
No. of atoms	8,271
Protein	7,984
Ligands & detergents	258
Water	29
B-factors (Å2)
Protein	70.2
Ligand & detergents	57.9, 73.8
Waters	38.5
R.M.S.D.
Bond lengths (Å)	0.008
Bond angles (°)	1.17

^*Outer resolution shell.