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. Author manuscript; available in PMC: 2015 Jun 29.
Published in final edited form as: Methods Mol Biol. 2015;1273:391–406. doi: 10.1007/978-1-4939-2343-4_24

Table 1.

Initial glycosidic torsion angles

Glycosidic linkage1 Glycosidic torsion angle2
ϕ ψ ω ε
1′→1″ β-(1→6) −65 −130 60
2→1′ α-(2→6) 68 180 162
3→2 α-(2→4) 60 −86
4→2 α-(1→5) 22 −125
5→4 α-(1→3) 65 −141
6→5 α-(1→7) 71 120 −41 −120
7→5 α-(1→3) 65 −141
8→7 α-(1→3) 65 −141
9→8 α-(1→2) 87 115
10→9 α-(1→2) 87 115
11→9 β-(1→3) −130 −130
12→11 β-(1→3) −130 −130
13→12 β-(1→3) −130 −130
14→13 β-(1→4) −130 82
15→14 β-(1→2) −168 −130
16→14 α-(1→3) 65 −141
1

Residue number for carbohydrates in the LPS molecule (see Figures 1) is used.

2

The following glycosidic torsion angle definitions are adopted: ϕ = O5′-C1′-Ox-Cx, ψ = C1′-Ox-Cx-C(x−1), ω = Ox-Cx-C(x−1)-C(x−2), and ε = Cx-C(x−1)-C(x−2)-C(x−3), whereas for the (2→6) and (2→4) linkages ϕ = O6′-C2′-Ox-Cx, ψ = C2′-Ox-Cx-C(x−1), ω = Ox-Cx-C(x−1)-C(x−2).