Figure 6 - full size

 

Figure 6.
Fig. 6. Hydrogen-bonding scheme for the MPA-disaccharide complex. The two charged groups of Gly-1 and Asp-125 form most of^ the H-bonds, to the GalNAc. The remaining H-bonds are from backbone^ atoms plus two water molecules, one of which forms the only H-bond^ to the Gal.

The above figure is reprinted by permission from the ASBMB: J Biol Chem (1998, 273, 6312-6318) copyright 1998.