Target intelligence / Profile preview

Hemagglutinin Protein of Influenza B Virus (Victoria Lineage) (HA)

Target: HA
Molecular classification: Glycoprotein, Type I transmembrane protein

Overview

The hemagglutinin (HA) protein is a surface glycoprotein and the primary antigenic determinant of the influenza B virus, Victoria lineage. It mediates viral entry by binding to sialic acid receptors on host cells, facilitating membrane fusion and infection. As a major target for neutralizing antibodies, it is a key component of influenza vaccines. Antigenic drift in HA necessitates continuous monitoring and vaccine updates.

Other names: Influenza B hemagglutininB/Victoria HA

Mechanism of action

Targeted by neutralizing antibodies; vaccines induce antibody production against HA to prevent viral entry.

Biological functions

Viral attachmentMembrane fusionAntigen presentationImmune response

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Infection

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