Table 2. Dynamics parameters derived from ¹⁵N nuclear spin relaxation experiments.

State	Species	τeff (ns)*	NOE ratio
apo	Backbone average	10.3	0.68
holo	Backbone average	10.5	0.72
holo	N4	3.7	–0.76
holo	N8	4.1	–0.13
ATSL, major	Backbone average	10.5	0.72
ATSL, major	N4	6.3	0.00
ATSL, major	N8	6.6	0.24
ATSL, minor	Backbone average	10.6	0.79
ATSL, minor	N4	5.3	0.00
ATSL, minor	N8	5.4	0.20

*Determined using the equation τ_eff=[(6R₂/R₁) − 7]^0.5/(2ω_N) [37].