# Crowding can speed up enzyme reactions—until protein droplets become too packed

- Source: Phys.org - latest science and technology news stories
- Published: 2026-10-30T10:00:02+00:00
- Category: Science
- Original: https://phys.org/news/2026-10-crowding-enzyme-reactions-protein-droplets.html
- Canonical: https://groundlevelnews.com/story/crowding-can-speed-up-enzyme-reactions-until-protein-droplets-become-t-4c87a2/

Our cells are a hotbed of activity, with reactions churning away to keep us alive. But the cytoplasm, where many metabolic reactions take place, is not uniform. Instead, proteins and other molecules cluster together into membraneless compartments, creating distinct, crowded microenvironments for reactions.

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