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Anomeric region of the proton spectra of A) hexa-4, and B) hexa-8 in bound (blue line) and unbound (red line) forms at a ligand/protein ratio of 5:1. The anomeric signal of the GlcA residue is hidden by the residual water signal in the spectra of both the hexa-4·AT and the hexa-8·AT complexes.
