Table 2 Genetic analysis of the H1 gene of Thai S-IAV-H1N1 in this study.

From: Persistence of pdm2009-H1N1 internal genes of swine influenza in pigs, Thailand

Viruses

Subtype

H1 Cluster

H1 genea

Antigenic site

Receptor binding site

HA cleavage site

Sa

Sb

Ca1

Ca2

Cb

190

225

325–333

128–129

156–160

162–167

187–198

169–173

206–208

238–240

140–145

224–225

78–83

Reference

California/04/2009

pdmH1N1

pdm

PN

KKGNS

PKLSKS

TSADQQSLYQNA

INDKG

GSS

EPG

PHAGAK

RD

SLSTAS

D

D

PSIQSRGLF

THA/CUPL65/2010

PdmH1N1

pdm

PN

KKGNS

PKLSKS

TSADQQSLYQNA

INDKG

GSS

EPG

PHAGAE

RD

SLSTAS

D

D

PSIQSRGLF

THA/CU3340N/2012

eH1N1 (6 + 2)

CS

PN

KKGNS

PKLSKS

TSTDQQSLYQNA

VNNKK

SSS

EPG

HYAGAN

RD

LLFKAS

D

D

PSIQSRGLF

THA/NIAH587/2005

eH1N1 (7 + 1)

CS

PN

KKGNS

PKLSKS

TNTDQQSLYQNA

VNNKK

GSS

EPG

PYAGAN

RG

LLFAIN

D

G

PSIQSRGLF

THA/CU3795N/2013

rH1N1 (6 + 2)

CS

PN

KKENS

PKISKS

TSNDQQSLYQNA

FNNKG

SSS

KPG

PYAGAN

RD

LLFNAS

D

D

PSIQSRGLF

THA/CUSA43/2010

rH1N1 (7 + 1)

pdm

PN

KKGNS

PKLSKS

TSADQQSLYQNA

INDKG

GSS

EPG

PHAGAK

RD

SLSTAS

D

D

PSIQSRGLF

THA/CUS3629N/2012

rH1N1 (pdm + 2)

CS

PN

KKENS

PKISKS

TSNDQQSLYQNA

FNNKG

SSS

KPG

PYAGAN

RD

LLFNAS

D

D

PSIQSRGLF

This study

THA/CU3759/2017

rH1N1 (pdm + 2)

CS

PN

KKENS

PKLSKS

TSNDQQVLYQNA

FNNKG

SSS

KPE

PYAGAN

RN

SLFNAS

D

N

PSIQSRGLF

THA/CU3764/2017

rH1N1 (pdm + 2)

CS

PN

KKENS

PKLSKS

TSNDQQVLYQNA

FNNKG

SSS

KPE

PYAGAN

RD

SLFNAS

D

D

PSIQSRGLF

THA/CU3770/2017

rH1N1 (pdm + 2)

CS

PN

KKENS

PKLSKS

TSNDQQVLYQNA

FNNKG

SSS

KPE

PYAGAN

RD

SLFNAS

D

D

PSIQSRGLF

THA/CU3793/2017

rH1N1 (pdm + 2)

CS

PN

KKENS

PKLSKS

TSNDQQVLYQNA

FNNKG

SSS

KPE

PYAGAK

RD

SLFNAS

D

D

PSIQSRGLF

THA/CU3802/2017

rH1N1 (pdm + 1)

CS

PN

KKENS

PKLSKS

TSNDQQVLYQNA

FNNRG

SSS

KPE

PYAGAN

RD

LLFNAS

D

D

PSIQSRGLF

THA/CU3798/2017

rH1N1 (pdm + 1)

CS

PN

KKENS

PKLSKS

TSNDQQVLYQNA

FNNRG

SSS

KPE

PYAGAN

RD

LLFNAS

D

D

PSIQSRGLF

THA/CU3803/2017

rH1N1 (pdm + 1)

CS

PN

KKENS

PKLSKS

TSNDQQVLYQNA

FNNRG

SSS

KPE

PYAGAN

RD

LLFNAS

D

D

PSIQSRGLF

THA/CU21299/2018

rH1N1 (pdm + 1)

CS

PN

KKENS

PKLSKS

TSNDQQVLYQNA

FNNRG

SSS

KPE

PYAGAK

RD

LLFNAS

D

D

PSIQSRGLF

THA/CU21304/2018

rH1N1 (pdm + 1)

CS

PN

KKENS

PKLSKS

TSNDQQVLYQNA

FNNRG

SSS

KPE

PYAGAN

RD

LLFNAS

D

D

PSIQSRGLF

THA/CU21626/2018

rH1N1 (pdm + 1)

CS

PN

KKENS

PKLSKS

TSNEQQVLYQNA

FNNRG

SSS

KPE

PYAGAN

RD

LLFNAS

E

D

PSIQSRGLF

THA/CU21970/2018

rH1N1 (pdm + 1)

CS

PN

KKENS

PKLSKS

TSNDQQVLYQNA

FNNRG

SSS

KPE

PYAGAN

RD

LLFNAS

D

D

PSIQSRGLF

THA/CU22117/2018

rH1N1 (pdm + 1)

CS

PN

KKENS

PKLSKS

TSNDQQVLYQNA

FNNRG

SSS

KPE

PYAGAN

RD

LLFNAS

D

D

PSIQSRGLF

THA/CU21630/2018

rH1N1 (pdm + 1)

CS

PN

KKENS

PKLSKS

TSNDQQVLYQNA

FNNRG

SSS

KPE

PYAGAN

RG

LLFNAS

D

G

PSIQSRGLF

THA/CU22300/2018

rH1N1 (pdm + 1)

CS

PN

KKENS

PKLSKS

TSNDQQVLYQNA

FNNRG

SSS

KPE

PYAGAN

RN

LLFNAS

D

N

PSIQSRGLF

THA/CU22351/2018

rH1N1 (pdm + 1)

CS

PN

KKENS

PKLSKS

TSNDQQVLYQNA

FNNRG

SSS

KPE

PYAGAN

RD

LLFNAS

D

D

PSIQSRGLF

THA/CU22630/2018

rH1N1 (pdm + 1)

CS

PN

KKENS

PKLSKS

TSNDQQVLYQNA

FNNRG

SSS

KPE

PYAGAN

RG

LLFNAS

D

G

PSIQSRGLF

THA/CU3732/2017

rH1N1 (pdm + 1)

CS

PN

KKENS

PKLSKS

TSNDQQVLYQNA

FNNKG

SSS

KPE

PYAGAN

RG

SLFNAS

D

G

PSIQSRGLF

THA/CU3743/2017

rH1N1 (pdm + 1)

CS

PN

KKENS

PKLSKS

TSNDQQVLYQNA

FNNKG

SSS

KPE

PYAGAN

RD

SLFNAS

D

D

PSIQSRGLF

  1. aAmino acid positions are based on H3 numbering.