Table 1. Important Backbone Torsion Angles (deg) for Peptides 1–3.

	ϕ1/deg	ψ1/deg	ϕ2/deg	ψ2/deg	ϕ3/deg	ψ3/deg
1	61.37	42.67	–56.36	–38.97	–116.81	167.23
2	57.42	43.65	–58.44	–33.84	–123.77	169.87
3A	177.41	146.74	48.20	50.34	–37.52	10.79
3B	–177.95	–145.99	–50.74	–49.52	40.51	1.92