Table 2.
SAXS Data Collection and Derived Parameters for DAPK2 and Mutants
| WT | D220K | BL | |
|---|---|---|---|
| Data Collection Parameters | |||
| Instrument | EMBL P12 (PETRA-III) | ||
| Beam geometry (mm2) | 0.2 × 0.12 | ||
| Wavelength (Å) | 1.24 | ||
| s range (Å−1)a | 0.003–0.45 | ||
| Exposure time (s) | 0.045·20 | ||
| Sample concentration (mg/ml) | 2.0–15.0 | 2.0–15.0 | 2.0–15.0 |
| Temperature (K) | 283 | ||
| Structural Parameters | |||
| I(0) (cm−1) (from p(r)) | 0.027 ± 0.001 | 0.025 ± 0.001 | 0.021 ± 0.001 |
| Rg (Å) (from p(r)) | 26.4 ± 0.2 | 25.9 ± 0.2 | 23.4 ± 0.2 |
| Dmax (Å) | 81 ± 5 | 90 ± 5 | 75 ± 5 |
| Dry volume (103 Å3) calculatedb | 45 | ||
| Contrast (Δρ × 1010 cm−2) | 2.704 | ||
| Molecular mass Mr (kDa) (from I(0)) | 41 ± 5 | 37 ± 4 | 32 ± 3 |
| Molecular mass Mr (kDa) (from Porod volume [Vp/1.7]) | 59 ± 6 | 52 ± 5 | 46 ± 5 |
| Calculated monomeric mass Mr (kDa)b | 37.3 | ||
| Software Employed | |||
| Primary data reduction | Automated pipeline (Blanchet et al., 2015) | ||
| Data processing | ALMERGE, AUTORG, DATGNOM, DATPOROD | ||
| Computation of model intensities | CRYSOL, FFMAKER, OLIGOMER | ||
Momentum transfer |s| = 4πsin(θ)/λ.
Calculated from the sequence using www.basic.northwestern.edu/biotools/proteincalc.html.