Fold Commons

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Myosin

Myosin is a tiny motor inside muscle. Each time it uses up a bit of fuel called ATP, it changes shape and tugs on actin cables. Millions of tugs make a muscle squeeze.

Myosin: its AlphaFold model, drawn in one colour
Picture, in one colour: AlphaFold DB model v6 for UniProt P12882, from Fold Commons' snapshot of 2026-10-22. A prediction, not an experiment.

See it in 3D

Fun fact

Your heart is made of muscle that beats because of myosin pulling on actin.

Words to know

NGSS alignment

Structure

Rendered in FoldLens Junior from AlphaFold Database entry P12882. See the underlying prediction at alphafold.ebi.ac.uk/entry/P12882.

For teachers and platforms

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