Full Name: Hemagglutinin
BACKGROUND: Hemagglutinin (HA) is a glycoprotein found on the surface of certain viruses, most notably influenza viruses. It plays a crucial role in the virus's ability to infect host cells and is a key target for the immune system. Hemagglutinin is composed of three identical subunits, forming a trimeric spike on the viral surface. Each subunit has two main parts:
HA1: The head region, responsible for binding to host cell receptors.
HA2: The stem region, involved in the fusion of the viral envelope with the host cell membrane.
Synonyms: HA; Hemagglutinin; Haemagglutinin
Research Areas: Microbiology
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