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 |
| Rmerge (%)/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 |
| Rfree (%) 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 |