Fold Commons

← FoldLens Junior · ages 9–14 · free forever

Hemagglutinin (H1N1 flu)

Hemagglutinin is the spike on flu viruses. It sticks to cells in your nose and throat, which lets the virus get in.

Hemagglutinin (H1N1 flu): its AlphaFold model, drawn in one colour
Picture, in one colour: AlphaFold DB model v1 for UniProt P03452, from Fold Commons' snapshot of 2026-10-22. A prediction, not an experiment.

See it in 3D

Fun fact

Flu shots are updated most years, because the virus's hemagglutinin keeps changing a little.

Words to know

NGSS alignment

Structure

Rendered in FoldLens Junior from AlphaFold Database entry P03452. See the underlying prediction at alphafold.ebi.ac.uk/entry/P03452.

For teachers and platforms

This page is the canonical share URL for the FoldLens Junior Hemagglutinin (H1N1 flu) entry. Educational platforms can embed it via the standard OEmbed protocol — the discovery link is in the page head, the JSON body is at /junior/oembed/hemagglutinin-h1n1.json, and the query endpoint at /junior/oembed?url=…&format=json redirects to the same body.