Table 3 Temperature-dependent observed rate constants of APP IRE-mRNA binding to IRP1 with and without Fe2+.
Complex | kobs (s−1) | Ea | ||||
|---|---|---|---|---|---|---|
5 °C | 10 °C | 15 °C | 20 °C | 25 °C | kJ/mol | |
APP IRE mRNA·IRP1 | 74 ± 4.3 | 141 ± 6.2 | 215 ± 9.5 | 292 ± 8.4 | 341 ± 9.6 | 52.5 ± 2.1 |
APP IRE mRNA·IRP1-Fe2+ | 31 ± 1.6 | 49 ± 2.5 | 110 ± 3.7 | 252 ± 9 | 365 ± 14 | 86.0 ± 3.2 |