AI-designed proteases can be tuned to cut specific proteins
Researchers showed protein-cutting enzymes can be designed from a catalytic core and aimed at chosen targets, including proteins linked to neurological disease.
Researchers used AI protein-design methods to build new proteases by keeping only the catalytic core from two protease families and replacing the rest of the protein. The engineered enzymes could be adjusted to cut chosen target proteins, and the team showed they worked on proteins linked to neurological disease. The result is a shortcut around the usual evolutionary diversification of protein-cleaving enzymes, which could help developers create tailored protein-cutting reagents.
Why it matters
This changes protease design from relying on naturally evolved variants to a more direct, target-driven approach. For researchers studying protein function or building protein-cutting tools, it suggests enzymes can be made to hit selected proteins rather than only using what nature already provides. The demonstration on disease-linked proteins shows the method is not limited to a theoretical design exercise.
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Sources
- Ars Technica