Dihedral angle of glycopeptide 3 in crystals and solution^a.

Residue	ϕ (°)		ψ (°)
	X-ray	NMR	X-ray	NMR
Ser	−82.9	−117.1	134.0	172.1
Ala	−98.1	−100.5	149.1	147.7
Pro	−68.0	−53.0	138.0	157.0
Asp	−74.3	−79.7	151.4	163.6
Thr	−110.2	−124.7	133.7	71.7
Arg	−141.6	−79.5	70.7	164.3

^aThe conformation of the glycoside bond (X-ray): ϕ (°) = O5–C1–O–Cβ = 88.4 and ψ (°) = C1–O–Cβ–Cα = 147.1; (NMR): ϕ (°) = O5–C1–O–Cβ = 59.2 and ψ (°) = C1–O–Cβ–Cα = 157.8.