TABLE 1.

Deviations from random coil of the ¹⁵N chemical shifts () and absolute ¹⁵N chemical shift differences (Δ) related to the exchange process

		|Δ|†			|Δ|†
M-519*	−3.1 ppm	–	I-526*	−4.5 ppm	3.1 ppm
H-520*	−2.0 ppm	–	E-527*	−1.8 ppm	2.1 ppm
S-521*	−1.0 ppm	–	S-528	−4.1 ppm	2.0 ppm
L-522*	1.3 ppm	–	S-529	2.8 ppm	–
R-523*	−0.1 ppm	–	P-530	–	–
L-524*	−3.8 ppm	2.0 ppm	L-531	−4.3 ppm	1.7 ppm
V-525*	−0.5 ppm	–

^*Helix α1: 519–527.

^†Absolute chemical shift difference of exchange process.