Fold Commons

← FoldLens Junior · ages 9–14 · free forever

Keratin

Keratin builds your hair, fingernails, and the top layer of your skin. It is tough because its chains stack tightly.

Keratin: its AlphaFold model, drawn in one colour
Picture, in one colour: AlphaFold DB model v6 for UniProt P04264, from Fold Commons' snapshot of 2026-10-22. A prediction, not an experiment.

See it in 3D

Fun fact

Rhino horns are made of keratin too, the same kind of protein as your fingernails.

Words to know

NGSS alignment

Structure

Rendered in FoldLens Junior from AlphaFold Database entry P04264. See the underlying prediction at alphafold.ebi.ac.uk/entry/P04264.

For teachers and platforms

This page is the canonical share URL for the FoldLens Junior Keratin 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/keratin.json, and the query endpoint at /junior/oembed?url=…&format=json redirects to the same body.