Table 3.
Genetic analysis of the H3 gene of Thai S-IAV-H3N2 in this study.
| Viruses | Subtype | H3 Cluster | H3 genea | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Antigenic site | Receptor binding site | ||||||||||
| A | B | C | D | E | 226 | 228 | |||||
| 140–146 | 156–161 | 189–199 | 277–282 | 205–221 | 171–175 | 243–249 | |||||
| Reference | |||||||||||
| THA/KU5.1/2004 | eH3N2 | Hu | KRGSVKS | KLDYKY | SDQTNLYVQAS | CNSECI | STKRSQQTVIPNIGSRP | NDKFD | LLINSTG | I | S |
| THA/CUS3673N/2012 | rH3N2 (pdm + 2) | Hu | KRGSVKS | KLDYKY | NDQTNLYVQAS | CNYGCI | STKRSQQTVIPNIGSRP | NDKFN | LLINSTG | I | S |
| THA/CUS14252N/2014 | rH3N2 (pdm + 2) | Hu | KRGSVKS | KLDYKY | SDQTNLYVQAS | CNSECI | STKRSQQTVIPNIGFRP | NDKFD | LLINSTG | I | S |
| THA/CUS14129N/2013 | rH3N2 (pdm + 2) | Hu | KRGYVNS | QSGHKY | SDQTSLYVQAS | CNSECV | STKRSQQTVIPNIGSRP | NEKFD | LLINSTG | I | S |
| This study | Hu | ||||||||||
| THA/CU3794/2017 | rH3N2 (pdm + 2) | Hu | KRGSVKS | QLNYKY | SDQTNLYVQAS | CNSECI | STKRSQQTVIPNIGFRP | NDKFD | LLINSTG | I | S |
| THA/CU3816/2017 | rH3N2 (pdm + 2) | Hu | KRGSVKS | QLNYKY | SDQTNLYVQAS | CNSECI | STKRSQQTVIPNIGFRP | NDKFD | LLINSTG | I | S |
| THA/CU3790/2017 | rH3N2 (pdm + 2) | Hu | KRGSVKS | QLNYKY | SDQTNLYVQAS | CNSECI | STKRSQQTVIPNIGFRP | NDKFD | LLINSTG | I | S |
| THA/CU20226/2017 | rH3N2 (pdm + 2) | Hu | KRGSVKS | QLNYKY | SDQTNLYVQAS | CNSECI | STKRSQQTVIPNIGFRP | NDKFD | LLINSTG | I | S |
| THA/CU20218/2017 | rH3N2 (pdm + 2) | Hu | KRGSVKS | QLNYKY | SDQTNLYVQAS | CKSECI | STKRSQQTVIPNIGFRP | NDKFD | LLINSKG | I | S |
aAmino acid positions are based on H3 numbering.