Fold Commons

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Lactase

Lactase splits the sugar in milk into two smaller sugars. Many people make much less of it after childhood, and then a lot of milk can upset their stomach.

Lactase: its AlphaFold model, drawn in one colour
Picture, in one colour: AlphaFold DB model v6 for UniProt P09848, from Fold Commons' snapshot of 2026-10-22. A prediction, not an experiment.

See it in 3D

Fun fact

A gene change about 7,000 years ago let some people keep lactase as adults.

Words to know

NGSS alignment

Structure

Rendered in FoldLens Junior from AlphaFold Database entry P09848. See the underlying prediction at alphafold.ebi.ac.uk/entry/P09848.

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