Table 3.

Amino acid sequences of prosomatostatin-related peptide substrates [89]

Peptides	Amino acid sequences																	% α-helix
																		CD	FTIR
	−15						−9							−2	−1		+2
Som(−15;+2)	R	S	A	N	S	N	P	A	M	A	P	R	E	R	K	A	G	27	27
[A −5]Som(−15;+2)	R	S	A	N	S	N	P	A	M	A	A	R	E	R	K	A	G	37	30
[A −9]Som(−15;+2)	R	S	A	N	S	N	A	A	M	A	P	R	E	R	K	A	G	44	37
[A −9, A −5]Som(−15;+2)	R	S	A	N	S	N	A	A	M	A	A	R	E	R	K	A	G	54

The bold values correspond to values obtained for the peptides in which a sequence or a residue was modified or deleted

The percentage values of α-helix were calculated from CD and FTIR spectra using the Fasman method [57] and the curve-fitting procedures [56], respectively