Table 1.

Comparison of 15N relaxation parameters, residual dipolar couplings, and Stokes radius for Δ131Δ without versus with a denaturing perturbation (left column)

	r (NOE)	r (relaxation interference)	r (R2)	r (RDC)	rg/rgΔ131Δ,pH 5.2
Acid (pH 3.0)	0.98	0.92	0.94	0.98a	n.a.
Urea (8 M)	0.80	0.81	0.53	0.82b	1.17b
Sextuple	0.98	0.88	0.74	0.94b	1.05b
Sextuple + urea	0.78	0.74	0.33	0.79b	1.18b
Oxo-sextuple	0.73	0.83	0.53	0.92b	1.08b

^a M.S. Ackerman and D. Shortle, unpubl.

^b Data are taken from Ackerman and Shortle (2002b)).

r is the Pearson correlation coefficient between the two data sets. r_g is the Stokes radius.