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Q9YS52

- Q9YS52_9INFA

UniProt

Q9YS52 - Q9YS52_9INFA

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Protein
Submitted name:

Hemagglutinin

Gene

HA

Organism
Influenza A virus (A/Swine/Netherlands/L2/93(H3N2))
Status
Unreviewed - Annotation score: 2 out of 5- Protein inferred from homologyi

Functioni

Binds to sialic acid-containing receptors on the cell surface, bringing about the attachment of the virus particle to the cell. This attachment induces virion internalization of about two third of the virus particles through clathrin-dependent endocytosis and about one third through a clathrin- and caveolin-independent pathway. Plays a major role in the determination of host range restriction and virulence. Class I viral fusion protein. Responsible for penetration of the virus into the cell cytoplasm by mediating the fusion of the membrane of the endocytosed virus particle with the endosomal membrane. Low pH in endosomes induces an irreversible conformational change in HA2, releasing the fusion hydrophobic peptide. Several trimers are required to form a competent fusion pore.UniRule annotationSAAS annotation

GO - Biological processi

  1. clathrin-mediated endocytosis of virus by host cell Source: UniProtKB-KW
  2. fusion of virus membrane with host endosome membrane Source: UniProtKB-KW
  3. fusion of virus membrane with host plasma membrane Source: InterPro
  4. virion attachment to host cell Source: UniProtKB-KW
Complete GO annotation...

Keywords - Molecular functioni

HemagglutininUniRule annotationSAAS annotation

Keywords - Biological processi

Clathrin- and caveolin-independent endocytosis of virus by hostSAAS annotation, Clathrin-mediated endocytosis of virus by hostSAAS annotation, Fusion of virus membrane with host endosomal membraneSAAS annotation, Fusion of virus membrane with host membrane, Host-virus interaction, Viral attachment to host cellSAAS annotation, Viral penetration into host cytoplasm, Virus endocytosis by host, Virus entry into host cell

Names & Taxonomyi

Protein namesi
Submitted name:
HemagglutininImported
Gene namesi
Name:HAImported
OrganismiInfluenza A virus (A/Swine/Netherlands/L2/93(H3N2))Imported
Taxonomic identifieri83928 [NCBI]
Taxonomic lineageiVirusesssRNA negative-strand virusesOrthomyxoviridaeInfluenzavirus A

Subcellular locationi

Virion membrane SAAS annotation; Single-pass type I membrane protein SAAS annotation. Host apical cell membrane SAAS annotation; Single-pass type I membrane protein SAAS annotation

GO - Cellular componenti

  1. host cell plasma membrane Source: UniProtKB-SubCell
  2. integral component of membrane Source: UniProtKB-KW
  3. viral envelope Source: UniProtKB-KW
  4. virion membrane Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Host cell membraneSAAS annotation, Host membrane, Membrane, Viral envelope proteinUniRule annotationSAAS annotation, Virion

PTM / Processingi

Keywords - PTMi

Disulfide bondSAAS annotation

Interactioni

Subunit structurei

Homotrimer of disulfide-linked HA1-HA2.UniRule annotationSAAS annotation

Structurei

3D structure databases

ProteinModelPortaliQ9YS52.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the influenza viruses hemagglutinin family.UniRule annotation

Keywords - Domaini

Transmembrane, Transmembrane helixSAAS annotation

Family and domain databases

Gene3Di2.10.77.10. 1 hit.
3.90.209.20. 1 hit.
InterProiIPR008980. Capsid_hemagglutn.
IPR013828. Hemagglutn_HA1_a/b_dom.
IPR013827. Hemagglutn_HA1_b-rbn_dom.
IPR000149. Hemagglutn_influenz_A.
IPR001364. Hemagglutn_influenz_A/B.
[Graphical view]
PfamiPF00509. Hemagglutinin. 1 hit.
[Graphical view]
PRINTSiPR00330. HEMAGGLUTN1.
PR00329. HEMAGGLUTN12.
SUPFAMiSSF49818. SSF49818. 1 hit.

Sequencei

Sequence statusi: Fragment.

Q9YS52-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
QDLPGNGNNT ATLCLGHHAV PNGTLVRTIT DDQIEVTNAT ELVQNFSMGK
60 70 80 90 100
ICNNPHRILD GANCTLIDAL LGDPHCDGFQ NEKWDLFIER SKAFSNCYPY
110 120 130 140 150
DVPEYTSLRS LIASSGTLEF INEGFNWTGV TQNGGSNACK RGPNSSFFSR
160 170 180 190 200
LNWLYKSGNT YPMLNVTMPN SDSFDKLYIW GVHHPSTDRE QINLYVQASG
210 220 230 240 250
KITVSTKRSQ QTIIPNVGSR PWVRGLSSRI SIYWTIVKPG DILIINSNGN
260 270 280 290 300
LIAPRGYFKV HTGKSSIMRS DAPIDTCSSE CITPNGSIPN DKPFQNVNKI
310 320
TYGACPKYVK QNTLKLATGM RNIPEKQTR
Length:329
Mass (Da):36,457
Last modified:May 1, 1999 - v1
Checksum:i935A469B7C517952
GO

Experimental Info

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Non-terminal residuei1 – 11Imported
Non-terminal residuei329 – 3291Imported

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF092056 Genomic RNA. Translation: AAC78090.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF092056 Genomic RNA. Translation: AAC78090.1 .

3D structure databases

ProteinModelPortali Q9YS52.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Family and domain databases

Gene3Di 2.10.77.10. 1 hit.
3.90.209.20. 1 hit.
InterProi IPR008980. Capsid_hemagglutn.
IPR013828. Hemagglutn_HA1_a/b_dom.
IPR013827. Hemagglutn_HA1_b-rbn_dom.
IPR000149. Hemagglutn_influenz_A.
IPR001364. Hemagglutn_influenz_A/B.
[Graphical view ]
Pfami PF00509. Hemagglutinin. 1 hit.
[Graphical view ]
PRINTSi PR00330. HEMAGGLUTN1.
PR00329. HEMAGGLUTN12.
SUPFAMi SSF49818. SSF49818. 1 hit.
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE.
    Strain: A/Swine/Netherlands/L2/93Imported.
  2. "Antigenic drift in swine influenza H3 haemagglutinins with implications for vaccination policy."
    de Jong J.C., van Nieuwstadt A.P., Kimman T.G., Loeffen W.L.A., Bestebroer T.M., Bijlsma K., Verweij C., Osterhaus A.M.E., Class E.C.J.
    Vaccine 17:1321-1328(1999) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE.
    Strain: A/Swine/Netherlands/L2/93Imported.

Entry informationi

Entry nameiQ9YS52_9INFA
AccessioniPrimary (citable) accession number: Q9YS52
Entry historyi
Integrated into UniProtKB/TrEMBL: May 1, 1999
Last sequence update: May 1, 1999
Last modified: October 29, 2014
This is version 84 of the entry and version 1 of the sequence. [Complete history]
Entry statusiUnreviewed (UniProtKB/TrEMBL)