Table 1.

Band frequencies, fractional areas, and proposed structure assignments of the components derived from curve fitting analysis of the amide I band of Ejl, in D2O, under native conditions

	Choline
	−		+
Assignment	Band (cm−1)	Area %	Band (cm−1)	Area %
High-frequency β-sheet	1681	4	1685	4
Turns	1670	14	1672	12
α-Helix and loops	1656	27	1656	40
β-Sheet and unordered	1634	53	1636	35
β-Strands	—	—	1624	8
	1611a	2	1611	1

^a Bands at around 1611 cm⁻¹ in native protein arise from amino acid side chains.