Table 2.
Temperature-dependent equilibrium constant Keq = [turn]/[sheet] for the sheet ↔ turn transition of I3α and N9α of penetratin in DMPC/DMPG membranes (8:7) at P/L = 1:15 and 1:30
| T (K) | P/L = 1:15 | P/L = 1:30 | ||
|---|---|---|---|---|
|
|
|
|||
| I3α | N9α | I3α | N9α | |
| 243 | 0.33 | 0.58 | 0.68 | 1.00 |
| 263 | 0.34 | 0.56 | 0.29 | 0.96 |
| 283 | 0.26 | 0.52 | 0.54 | 1.25 |
| 288 | 0.37 | 1.78 | — | — |
| 293 | 0.49 | 2.68 | 2.21 | 4.08 |
| 298 | 1.00 | 2.62 | 7.29 | 32.8 |
| 303 | 1.00 | 2.76 | 4.21 | 4.76 |
| 305 | 1.45 | 5.85 | — | — |
| 310 | 3.20 | 7.13 | 18.0 | 15.5 |