TABLE 2.

Deduced secondary structures of AR peptides^a

Peptide	Structure	% of molecule at:
		pH 5.5	pH 7.5	pH 8.5
AR-A	α-Helix	65	61	58
	β-Sheet	5	7	8
	Random	30	32	33
AR-B	α-Helix	58	57	46
	β-Sheet	8	9	19
	Random	33	34	35
AR-P	α-Helix	61	60	57
	β-Sheet	7	7	9
	Random	32	33	34

^aData were deduced with the K2d program (1) and are expressed as the percentage of the molecule that assumed the indicated structure. Values have been rounded off to the nearest integer.