Table 1: Observed relaxation times τ obs for TZ2-TG initiated by a T-jump of Δ 𝑇 = 10°C and probed at two different wavelengths 1641 cm−1 (correlated to β-structure decay) and 1663 cm−1 (monitoring disordered fraction). The temperatures refer to the final peptide temperature after the T-jump.

TZ2-TGT (K)τ obs (μs)

1641 cm−1308 1 7 . 1 ± 1 . 1
316 6 . 8 ± 0 . 2
323 3 . 3 ± 0 . 1

1663 cm−1290 4 7 . 3 ± 1 4 . 9
297 2 1 . 6 ± 0 . 9
306 1 6 . 1 ± 0 . 5
312 1 1 . 5 ± 0 . 4
320 2 . 8 ± 0 . 7