Table 2.

²H – ESEEM Analysis Results

sample	T (MHz)	reff (Å)	βhf(o)	e2qQ/h (MHz)	βnqi(o)	|γnqi−γhf|	${\chi }_{\nu }^2$
TyrH {2H-tyr}	0.18 ± 0.01	4.1 ± 0.1	26 ± 5°	0.27 ± 0.05	62 ± 12°	38 ± 20°	1.2
TyrH {2H-tyr, 6-MPH4}	0.12 ± 0.01	4.7 ± 0.2	94 ± 10°	0.34 ± 0.06	69 ± 10°	20 ± 80°	2.2
E332A {2H-tyr, 6-MPH4}	0.12 ± 0.01	4.7 ± 0.2	89 ± 9°	0.29 ± 0.05	44 ± 16°	14 ± 43°	1.2
TyrH {tyr, 2H-6-MPH4}	0.14 ± 0.01	4.4 ± 0.2	66 ± 5°	0.22 ± 0.06	70 ± 57°	26 ± 90°	1.2
E332A {tyr, 2H-6-MPH4}	0.14 ± 0.01	4.4 ± 0.2	65 ± 5°	0.20 ± 0.06	66 ± 60°	18 ± 90°	1.0
TyrH {2H-6-MPH4}	< 0.06	>5.9