TABLE 3.
| Equilibration time | 1 month | 2 months | 4 months |
| Parameters | a = 116.3 ± 0.4 Å | a = 115.4 ± 0.2 Å | a = 114.1 ± 0.2 Å |
| b = 204.3 ± 0.4 Å | b = 203.6 ± 0.2 Å | b = 201.1 ± 0.2 Å | |
| c = 119.4 ± 0.3 Å | c = 119.0 ± 0.2 Å | c = 116.3 ± 0.2 Å | |
| Concentration | 495 mg/ml | 502 mg/ml | 526 mg/ml |
Parameters of the orthorhombic phase obtained for an osmotic pressure of 4.7 × 105 Pa and an added salt concentration of 160 mM, after various equilibration times between sample preparation and x-ray measurements. The same sample has been studied after 1 and 4 months, while another sample has been studied after 2 months. The initial NCP concentration was 260 mg/ml.