The H1N1 flu gets its abbreviation from the particular variety of two proteins found in the flu virus, Hemagglutinin and Neuraminidase. Changes in the amino acid sequences of these two proteins change the human immune response and virulence of the virus.
The opening scene shows the quaternary structure of one of "N1" version of Neuraminidase. Use to describe the quaternary structure of the protein.
This scene shows an individual polypeptide chain of neuraminidase. Describe its secondary and tertiary structure in as much detail as possible.
