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Table 2 The analysis of amino acid sequences of the HA and PB2 genes

From: Phylogenetic diversity and genotypic complexity of H1N1 subtype swine influenza viruses isolated in Mainland China

Lineages

Cleavage sites

        HA

PB2

  

222

226

627

CS

PSIQSR↓G

G

Q

K

TR

PSIQSR↓G

/

/

E

EA

PSI/VQSR↓G

E/K

L/Q

E

ESH

PSIQSR↓G

G

Q

K

RSH

PSIQSR↓G

G

Q

K

2009H

PSIQSR↓G

D

Q

E

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Virology Journal

ISSN: 1743-422X