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Google tests AI watermarks for proteins with SynthID Bio
Proof-of-concept watermarking for AI-generated proteins
Google DeepMind introduced SynthID Bio, a proof of concept that extends AI watermarking to proteins.
The system uses two methods: one watermarks amino acid sequences via ProteinMPNN, and the other embeds hidden patterns in 3D coordinates via AlphaFold 3.
The structure detector achieved over 99.8% detection at a 0.1% false positive rate, and lab tests showed comparable binding strength for marked and unmarked proteins.
However, the marks can be removed, and performance across other designs remains uncertain.
From the source
Google’s researchers report in Nature that the structure detector found more than 99.8% of watermarked predictions at a 0.1% false positive rate on the AlphaFold 3 evaluation set. The team says its recommended setup preserved the structural accuracy measures it tested.
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