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Synthetic proteins are being built with the help of AI models
Others are taking a slightly different tack. Profluent, in Emeryville, California and EvolutionaryScale, in New York, are building protein-design AI models that resemble not image-generating software, but large language models (LLMs) of the sort that power the world’s chatbots. These firms’ models treat the amino-acid sequences in protein chains like the words in a piece of text—analysing relationships found in zillions of exemplars to design novel useful structures.
According to Ali Madani, Profluent’s chief executive, the firm is particularly focused on creating new CRISPR-Cas gene-editing tools. Here, its USP is a curated database of around 5m CRISPR-Cas protein complexes on which its AI model has been trained in order to design new versions.