Table 2.

Mean KD values through One site-Specific binding analysis for interactions between HA antigen protein and a serial dilution of either 3′SL- or 6′SL-labeled receptors in each HA expression protein

HAs	KD FOR 3′SL (μM)	KD FOR 6′SL (μM)
Anhui/1 & Shanghai/2 HA7	0.635 ± 0.188	0.753 ± 0.197
HA7 A135T	5.553 ± 1.232	0.147 ± 0.031
HA7 T71I	3.627 ± 0.518	0.388 ± 0.102
HA7 T157I	3.176 ± 0.921	0.231 ± 0.051
HA7 T71I-V223I	2.189 ± 0.518	0.127 ± 0.028
HA7 T71I-T157I-V223I	2.189 ± 0.204	0.268 ± 0.081
HA7 T71I-T157I-V223I-T40I	3.317 ± 0.300	0.231 ± 0.051