. Author manuscript; available in PMC: 2014 Feb 5.

Published in final edited form as: Structure. 2013 Feb 5;21(2):290–297. doi: 10.1016/j.str.2012.12.018

Table 1.

Data Collection and Refinement Statistics

Data Reduction and Resolution Range
Space Group	P6(3)
a, b, c (Å)	60.931, 60.931, 107.701
α, β, γ (°)	90, 90, 120
Data reduction resolution range (Å)/high res.	52.78-2.65/2.82-2.65
Total observations/high res.	41402/4877
Unique structure factors/high res.	6600/928
Average I/σ(I)/high res.	7.8/1/6
Completeness (%)/high res.	99.6/98.1
R_merge (%)/high res.	0.208/1.085
Refinement statistics (refinement resolution range 19.25-2.65 Å)
Twin Ratio	99.5/.5
Number of protein atoms	1738
Number of retinal atoms	20
Number of water molecules	30
Number of lipid atoms	97
R factor (%) for data reso. range/all data	22.5/23.7
R_free (%) for data reso. range/all data	25.0/24.0
Average protein B (Å²)	38.9
Average retinal B (Å²)	19.4
Average water B (Å²)	43.2
Average lipid B (Å²)	57.9
Deviation from ideal bond lengths Å	.003
Deviation from ideal bond angles (°)	2.9
Ramachandran Plot Regions (Procheck)
Favored (%)	91.1
Allowed (%)	98.4
Number of Outliers	0