Table 6.

FTIR spectroscopy determination of the secondary structure of tolaasin I in aqueous buffer, with and without lipids, and in different solvents.

	% Secondary structurea
System	β	h	r
buffer	29	44	27
TFE	24	45	30
HFIP	24	48	28
SDS	27	47	26
POPC	21	63	15

^aβ: total β-structure (i.e. β-sheet, β-turn); h: helix; r: random. Errors of FTIR determinations are ±5%.