Table 1.

Fitted parameters characterizing the large- (175 ° and 180°) and small-angle (5°) fluctuations in the perdeuterated phenylalanine rings of the HP36 protein in the hydrated and dry powder states.

Residue/conditions	ln $k_0^{l\text{arg}e}$, s−1	$\langle E_a^{l\text{arg}e}\rangle$, kJ/mol	σlarge, kJ/mol	ln $k_0^{\mathit{small}}$,s1	$\langle E_a^{\mathit{small}}\rangle$, kJ/mol	σsmall, kJ/mol
F51 hydrated	25.4±1.5	23.9±3.1	1.9±0.4	19.6±0.9	5.2±1.0	1.4±0.3
F58 hydrated	23.9±1.7	20.8±3.5	2.0±0.4	18.0±0.7	3.25±0.6	1.8±0.4
F58 dry	29.0±2.5	36.5±4.0	3.0±0.5	21.4±0.7	6.9±1.2	1.8±0.3