TABLE 2:
Distance between crosslinked residues calculated from a monomer vs. a dimer of uWNK3 based on the WNK1-KDm dimer (6CN9) or Subunit A of 6CN9
| X-LINK | A. Crosslinks in uWNK3 only without added pressure ζ | |||||
|---|---|---|---|---|---|---|
| 1 WNK3 (WNK1 #) | 2 WNK3 (WNK1) | Score | Monomer (Å) | Dimer (Å) | ||
| 1 | 218 (292) | 159 (233) | 15 | 18 | 25 | β3 to inside barrel |
| 2 | 307 (381) | 192 (266) | 6 | 25 | 19 | Act. Loop to Helix C |
| 3 | 159 (233) | 307 (381) | 4 | 14 | 43 | β3 to Act. Loop |
| 4 | 248 (322) | 163 (237) | 10 | 33 | 53 | β3 to Helix E |
| 5 | 222 | 333 | 9 | 38 | 54 | β1 to Helix E |
| B. Crosslinks in uWNK3 occurring only under 190 kPa ζ | ||||||
| 6 | 192 (266) | 159 (233) | 13 | 16 | 38 | Helix C to β3 |
| 7 | 159 (233) | 243 (317) | 8 | 24 | 52 | β3 to DE |
| 8 | 236 (310) | 259 (333) | 7 | 20 | 56 | Helix D to Helix E |
| 9 | 185 (259) | 192 (266) | 7 | 11 | 33 | BC to Helix C |
| 360 (434) | 259 (333) | 6 | 30 | 51 | Helix E to Helix G | |
| 307 (381) | 360 (434) | 6 | 25 | 51 | Act. Loop to Helix G | |
| 291 (365) | 163 (237) | 4 | 19 | 41 | β7 to β3 | |
| 236 (310) | 148 (222) | 4 | 25 | 31 | β1 to Helix D | |
| 236 (310) | 159 (233) | 3 | 15 | 40 | Helix D to β3 | |
| 221 (295) | 259 (333) | 6 | 36 | 42 | Inside barrel to helix E | |
ζCalculated distances between residue pairs (Resn1-Resn2) in the uWNK1/SA structure. Blue indicates distances typical for lysine–lysine DSS crosslinking. Gray indicates distances outside the DSS crosslinking limits.