Figure 1

Cartoon representation of secondary structural elements of (a) BoGT6a (present study), (b) GTA (PDB id: 1ZI1) and c) α3GT (PDB id: 1GX4).

N- and C- terminus of the protein molecules are labelled. The N-terminal extension in GTA and α3GT are marked. The manganese ion in GTA and α3GT are shown as purple spheres.