Figure 1. Amino acid sequence of wild type gpW and the different constructs used in the NMR studies.

The secondary structure elements (helices in magenta and strands in cyan) are shown on top of the sequences. The conservative mutation is indicated in orange. Green bars mark the residues for which atomic coordinates have been reported from the previous NMR studies (PDB ID 1HYW) and this work (PDB ID 2L6Q).