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. 2006 Aug 23;44(11):3923–3927. doi: 10.1128/JCM.00904-06

TABLE 2.

Comparison of the amino acid sequences of the HA gene antigenic and receptor-binding sites in human, turkey, and swine H3 viruses

Strain Amino acid
Antigenic sites
Receptor-binding sites
50 51 52 53 141 142 143 144 145 146 155 156 157 158 159 184 185 186 187 188 189 190 191 192 193 194 195 196 134 135 136 137 138 183 156 103 190 194 224 225 226 227 228
Majority R I C D R R S V N S H K L E Y P S T D S D Q T S L Y V Q G T S Y A W K H D L R G I S S
New York/521/98 I K Q K A Q V
Aichi/133/05 G N T H K F G N I A S H D V P
Sw/Changhua/72-10/03 N G G Y Q S N R E N R G Q E L
Turkey/MN/674-2/03 N G K E G R S E
Sw/TX/4199-2/98 G K E G S E
Sw/Korea/CA54/04 G G S G V
Sw/IL/21587/99 G K V
Sw/Korea/PZ72-1/06 K Y N
Sw/Korea/CN22/06 K Y N