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. 2013 Sep 30;8(2):235–242. doi: 10.1111/irv.12184

Figure 2.

Figure 2

Effect of pH on binding activity of NA. NA from H5N1 was suspended at acidic (pH = 5·5) and relatively neutral pH (pH = 7·5) and incubated with α-2,3-sialyllactose. The binding of the ligand on NA was monitored by STD-NMR.