Fig. 4.

Structural models of the monomers of GTs 1a (I), 1b (II), 5a, modelled according to protocol 2 (P2) (III) and 5a, taken from the NMR structure, (IV). Structures are shown at 0 ns (upper panel) and 100 ns (lower panel). The backbones of TMD1 and TMD2 are shown in green and red, respectively. Side chains of residues H17, − 31, − 59, W-30, − 36, L-36 are highlighted. The phosphorous atoms are shown in van der Waals representation (purple) to indicate the boundaries of the lipid bilayer. Lipids and water molecules are omitted for clarity.