Table 1. Data-collection statistics.
Values in parentheses are for the highest resolution shell.
| Pab0087 form 1 | Pab0087 form 2 | |
|---|---|---|
| X-ray source | Micromax 7 rotating anode | FIP-BM30A |
| Space group | C2 | C2 |
| Unit-cell parameters (Å, °) | a = 160.59, b = 135.74, c = 113.02, β = 117.36 | a = 166.99, b = 131.27, c = 189.41, β = 113.81 |
| Wavelength (Å) | 1.5418 | 0.97976 |
| Resolution range (Å) | 50–2.7 (2.8–2.7) | 20–2.0 (2.12–2.0) |
| No. of observations | 517326 (52727) | 934274 (141608) |
| Unique reflections | 58345 (5933) | 244085 (38374) |
| Completeness (%) | 98.8 (98.3) | 97.0 (95.4) |
| Redundancy | 8.86 (8.88) | 3.83 (3.69) |
| 〈I/σ(I)〉 | 24.1 (6.8) | 26.58 (5.93) |
| Rsym† (%) | 7.9 (33.3) | 3.9 (32.2) |
| Subunits per ASU | 4 | 8 |
| VM (Å3 Da−1) | 2.71 | 2.37 |
| Unit-cell volume (Å3) | 2.2 × 106 | 3.8 × 106 |
†
R
sym = 
, where I is the intensity of an individual reflection and 〈I〉 is its mean value.