TABLE 1.

Experimental cross-correlated relaxation rates for two N-H dipole-dipole interactions in successive residues in HP36 at 22 and 32°C and at 22°C

	s−1		at 22°C
Residue	22°C	32°C	NMR structure	X-ray structure
44	2.97 ± 0.19	2.71 ± 0.21	0.81 ± 0.05	0.73 ± 0.05
45	2.54 ± 0.09	1.54 ± 0.04	0.66 ± 0.02	0.53 ± 0.02
46	2.88 ± 0.09	2.00 ± 0.07	0.62 ± 0.02	0.70 ± 0.02
47	3.43 ± 0.04	2.43 ± 0.01	0.70 ± 0.01	0.73 ± 0.01
48	2.79 ± 0.04	2.37 ± 0.04	0.71 ± 0.01	0.66 ± 0.01
49	2.69 ± 0.08	2.32 ± 0.32	−1.01 ± 0.03	0.61 ± 0.02
50	2.95 ± 0.16	2.02 ± 0.01	−1.66 ± 0.09	0.79 ± 0.04
53	3.85 ± 0.02	2.20 ± 0.12	−5.05 ± 0.02	0.75 ± 0.01
55	3.19 ± 0.04	2.04 ± 0.28	0.72 ± 0.01	0.77 ± 0.01
57	3.23 ± 0.04	2.74 ± 0.05	0.80 ± 0.01	0.73 ± 0.01
58	2.94 ± 0.08	2.03 ± 0.09	0.96 ± 0.03	0.84 ± 0.02
59	1.48 ± 0.09	1.17 ± 0.08	−0.58 ± 0.03	0.76 ± 0.04
63	2.79 ± 0.22		0.68 ± 0.05	0.66 ± 0.05
65	2.54 ± 0.16	1.95 ± 0.01	0.93 ± 0.06	0.56 ± 0.03
66	3.34 ± 0.19	2.34 ± 0.01	0.68 ± 0.04	0.73 ± 0.04
67	3.30 ± 0.08	2.40 ± 0.09	1.00 ± 0.02	0.69 ± 0.02
68	3.32 ± 0.07	1.58 ± 0.08	0.64 ± 0.01	0.79 ± 0.02
69	3.07 ± 0.09	1.91 ± 0.12	1.01 ± 0.03	0.71 ± 0.02
70	3.30 ± 0.10	1.98 ± 0.12	0.68 ± 0.02	0.71 ± 0.02
71	3.17 ± 0.17	1.83 ± 0.10	1.20 ± 0.06	0.76 ± 0.04
72	2.08 ± 0.10	1.21 ± 0.08	0.60 ± 0.03	0.71 ± 0.03
73	−1.32 ± 0.05	−1.00 ± 0.05	−0.28 ± 0.01	0.75 ± 0.03

Angles between two N-H bonds in successive residues used in the calculations of the R^rigid are taken from either NMR or high-resolution x-ray structure of HP36.