Table 2 Molecular characterization of surface genes of the ostrich’s H9N2 strains.
From: Characterization of avian influenza H9N2 viruses isolated from ostriches (Struthio camelus)
Virus | HAa | NA | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cleavage site | Receptor binding site | Other sides | Hemadsorbing site | Deletion | ||||||||
S138A | I155T | T160A | H183N | A190V | Q226L | 372 | 220–223 | 366–373aa | 399–404aa | in the stalk | ||
O/BJ/712/13 | RSSR↓GLF | A | T | A | N | T | L | K | RPLV | IKSDSRSG | DSDSWS | 63–65 |
O/HB/28/13 | RSSR↓GLF | A | T | A | N | A | L | K | RPLV | IKDDSRSG | DSDNWS | 63–65 |
O/BJ/142/13 | RSSR↓GLF | A | T | A | N | T | L | K | RPLV | IKSDSRSG | DSDSWS | 63–65 |
O/BJ/293/13 | RSSR↓GLF | A | T | A | N | V | L | K | RPLV | IRSDSRSG | DSDSWS | 63–65 |
O/HB/179/14 | RSSR↓GLF | A | T | D | N | K | L | K | RPLV | IKNGSRSX | DSDDWS | 63–65 |
O/HB/182/14 | RSSR↓GLF | A | T | D | N | T | L | K | RPLV | IRNNSRSG | DSENWS | 63–65 |
O/YN/438/14 | RSSR↓GLF | A | T | A | N | V | L | K | —b | IRNDSRSG | DSENWS | 63–65 |
D/HK/Y280/97 | RSSR↓GLF | A | T | A | N | T | L | R | RPLV | IKEDSRSG | DSDNWS | 63–65 |
O/Eshkol/1436/03 | RSKR↓GLF | A | T | S | H | E | L | K | RPLV | IKKDSRAG | DSDNLS | — |
O/RSA/9508103/95 | ASYR↓GLF | A | T | S | H | E | Q | E | RPLV | ISKDSRSG | DNNNWS | — |
