Figure 7. Crystallographic structure of BambL in complex with Le^x tetrasaccharide.

(A) Intramonomeric and (B) intermonomeric sites. Tetrasaccharide and key amino acids are represented as sticks, hydrogen bond to non-fucose carbohydrate residues as dotted lines; 2mF₀-Df_c electron density map contoured at 1σ is shown ad green mesh. (C) Superimposition of Le^x tetrasaccharide from crystal intramonomeric (yellow) and intermonomeric (pink) sites and Le^x trisaccharide from docking (green).