This table contains entries for haemagglutinin and neuraminidase proteins from different influenza A viruses in the UniProt database. Links are provided to view the original UniProt protein entries, and their display in InterPro.
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UniProt
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Protein name |
Organism |
InterPro Domain Architecture |
InterPro Graphical Match |
Function |
Haemagglutinin |
H1 |
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Haemagglutinin precursor (HA1 and HA2 chains) |
Influenza virus A
(strain A/Duck/Alberta/35/76 H1N1) |
Class I viral fusion protein. |
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Haemagglutinin precursor (HA1 and HA2 chains) |
Influenza virus A
(strain A/swine/Italy/1521/98 H1N2) |
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Class I viral fusion protein. |
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H2 |
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Haemagglutinin precursor (HA1 and HA2 chains) |
Influenza virus A
(strain A/Japan/305/57 H2N2) |
Class I viral
fusion protein. |
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Haemagglutinin precursor
(HA1 and HA2 chains) |
Influenza virus A
(strain A/Adachi/2/57 H2N2) |
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Class I viral fusion protein. |
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H3 |
Haemagglutinin precursor (HA1 and HA2 chains) |
Influenza virus A
(strain A/England/321/77 H3N2) |
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Class I viral
fusion protein. |
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Haemagglutinin precursor (HA1 and HA2 chains) |
Influenza virus A(strain A/equine/Berlin/2/91 H3N8) |
Class I viral fusion protein. |
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H5 |
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Haemagglutinin precursor (HA1 and HA2 chains) |
Influenza virus A(strain A/swan/Italy/179/06 H5N1) |
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Class I viral
fusion protein. |
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Haemagglutinin precursor
(HA1 and HA2 chains) |
Influenza virus A
(strain A/mallard duck/PA/10218/84 H5N2) |
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Class I viral fusion protein. |
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H6 |
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Haemagglutinin precursor (HA1 and HA2 chains) |
Influenza virus A(strain A/turkey/Germany/R04‑5/02 H6N2) |
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Class I viral
fusion protein. |
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Haemagglutinin precursor
(HA1 and HA2 chains) |
Influenza virus A
(strain A/goose/Hong Kong/W222/97 H6N7) |
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Class I viral fusion protein. |
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H7 |
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Haemagglutinin precursor (HA1 and HA2 chains) |
Influenza virus A(strain A/Fowl plaque virus/Rostock/34 H7N1) |
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Class I viral fusion protein. |
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Haemagglutinin precursor (HA1 and HA2 chains) |
Influenza virus A
(strain A/Equine/Cambridge/1/63 H7N7) |
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Class I viral fusion protein. |
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H9 |
Haemagglutinin precursor (HA1 and HA2 chains) |
Influenza virus A
(strain A/duck/New York/17542‑4/86 H9N1) |
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Class I viral
fusion protein. |
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Haemagglutinin
precursor (HA1 and HA2 chains) |
Influenza virus A
(strain A/turkey/Scotland/70 H9N7) |
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Class I viral
fusion protein. |
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Neuraminidase |
N1 |
Neuraminidase |
Influenza virus A
(strain A/Camel/Mongolia/82 H1N1) |
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Cleaves sialic acid on HA to facilitate release of virus. |
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Neuraminidase |
Influenza virus A
(strain A/swan/Guangxi/307/2004 H5N1) |
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Cleaves sialic acid on HA to facilitate release of virus. |
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N2 |
Neuraminidase |
Influenza virus A
(strain A/RI/5/57 H2N2) |
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Cleaves sialic acid on HA to facilitate release of virus. |
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Neuraminidase |
Influenza virus A
(strain A/Bankok/1/79 H3N2) |
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Cleaves sialic acid on HA to facilitate release of virus. |
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N3 |
Neuraminidase |
Influenza virus A
(strain A/turkey/Oregon/71 H7N3) |
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Cleaves sialic acid on HA to facilitate release of virus. |
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Neuraminidase |
Influenza virus A
(strain A/black‑headed gull/Sweden/5/99 H16N3) |
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Cleaves sialic acid on HA to facilitate release of virus. |
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N4 |
Neuraminidase |
Influenza virus A
(strain A/turkey/Ontario/6118/68 H8N4) |
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Cleaves sialic acid on HA to facilitate release of virus. |
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Neuraminidase |
Influenza virus A
(strain A/ruddy turnstone/Delaware/67/98 H12N4) |
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Cleaves sialic acid on HA to facilitate release of virus. |
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N5 |
Neuraminidase |
Influenza virus A
(strain A/shearwater/Australia/72 H6N5) |
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Cleaves sialic acid on HA to facilitate release of virus. |
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N6 |
Neuraminidase |
Influenza virus A
(strain A/duck/Alberta/28/76 H4N6) |
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Cleaves sialic acid on HA to facilitate release of virus. |
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Neuraminidase |
Influenza virus A
(strain A/duck/Nanchang/4‑165/2000 H4N6) |
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Cleaves sialic acid on HA to facilitate release of virus. |
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N7 |
Neuraminidase |
Influenza virus A
(strain A/duck/Germany/49 H10N7) |
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Cleaves sialic acid on HA to facilitate release of virus. |
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Neuraminidase |
Influenza virus A
(strain A/Fowl plague virus/Weybridge H7N7) |
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Cleaves sialic acid on HA to facilitate release of virus. |
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N8 |
Neuraminidase |
Influenza virus A
(strain A/herring gull/DE/677/88 H2N8) |
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Cleaves sialic acid on HA to facilitate release of virus. |
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Neuraminidase |
Influenza virus A
(strain A/black duck/Australia/702/78 H3N8) |
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Cleaves sialic acid on HA to facilitate release of virus. |
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N9 |
Neuraminidase |
Influenza virus A
(strain A/whale/Maine/1/84 H13N9) |
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Cleaves sialic acid on HA to facilitate release of virus. |
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Neuraminidase |
Influenza virus A
(strain A/tern/Australia/G70C/75 H11N9) |
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Cleaves sialic acid on HA to facilitate release of virus. |