Table 1. Data-collection and structure-refinement statistics.
| MST1RASSF5 | MST1RASFF5 (SeMet) | MST2 | |
|---|---|---|---|
| Data collection | |||
| Resolution () | 502.2 (2.282.20) | 501.9 (2.001.90) | 501.7 (1.761.70) |
| Space group | C2221 | I4 | P41212 |
| Wavelength () | 0.98000 | 0.97919 | 0.98000 |
| Unit-cell parameters | |||
| a () | 27.94 | 59.69 | 30.844 |
| b () | 85.84 | 59.69 | 30.844 |
| c () | 92.79 | 69.52 | 196.413 |
| = = () | 90 | 90 | 90 |
| Molecules per asymmetric unit | 1 | 1 | 1 |
| Multiplicity | 4.0 (2.6) | 4.3 (4.3) | 10.1 (4.6) |
| R merge (%) | 7.9 (20.6) | 7.3 (26.3) | 5.3 (20.6) |
| Mean I/(I) | 14.3 (6.0) | 10.5 (3.9) | 19.2 (6.0) |
| Completeness (%) | 96.9 (85.8) | 99.3 (98.9) | 93.7 (68.2) |
| Refinement | |||
| R work/R free | 0.2167/0.2778 | 0.2346/0.2722 | |
| R.m.s.d., bond lengths () | 0.008 | 0.007 | |
| R.m.s.d., bond angles () | 1.122 | 1.09 | |
| Ramachandran plot | |||
| Favoured regions (%) | 98.80 | 98.90 | |
| Allowed regions (%) | 1.20 | 1.1 | |
| Disallowed regions (%) | 0 | 0 | |
| Average B factor (2) | |||
| Chain A | 19.61 | 21.45 | |
| Chain B | 17.54 | 20.94 | |
| Water | 19.28 | 23.89 | |