TABLE VI.
Average Glycosidic Torsion Angles for Ligands in the Protein-bound and Free States
| Ligand | Linkage | Torsion angle
|
||
|---|---|---|---|---|
| Bound | Free | |||
| 1 | β-(1,4)1 | φa | 45.9 (9.3) | 46.6 (11.2) |
| ψ | 15.7 (8.5) | 0.6 (12.8) | ||
| 3 | β-(1,4)1 | φ | 38.9 (11.4) | 47.7 (11.8) |
| ψ | 17.6 (9.7) | −6.2 (13.2) | ||
| 4 | α-(2,3)2 | φb | 158.8 (12.9) | −169.7 (12.4) |
| ψ | 8.1 (11.5) | −13.8 (11.9) | ||
| β-(1,4)1 | φ | 45.1 (10.3) | 45.1 (11.9) | |
| ψ | 14.2 (9.5) | −6.3 (12.5) | ||
| 5 | β-(1,4)3 | φ | 51.1 (11.9) | 40.8 (14.7) |
| ψ | 13.1 (15.3) | −5.4 (15.7) | ||
| β-(1,3)2 | φ | 68.6 (14.9) | 41.7 (13.8) | |
| ψ | 29.2 (19.1) | 11.8 (45.2) | ||
| β-(1,4)1 | φ | 55.0 (9.0) | 46.9 (12.1) | |
| ψ | 4.0 (7.8) | −3.3 (12.3) | ||
a
φ and ψ values for β-(1,3) and (1,4) linkages defined as: H1-C1-Ox-Cx and C1-Ox-Cx-Hx, respectively.
b
φ and ψ values for α-(2,3) linkage defined as C1-C2-O3-C3 and C2-O3-C3-H3, respectively.