AI-powered language model generates functional protein sequences

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The first time a language model was used to synthesize human proteins.

The project was a combined effort from researchers at the University of California-San Francisco and the University of California-Berkeley and Salesforce Research, which is a science arm of a software company based in San Fransisco.Researchers say that a language model was used for its ability to generate proteinwith a predictable function across large protein families, akin to generating grammatically and semantically correct natural language sentences on diverse topics.

"In the same way that words are strung together one-by-one to form text sentences, amino acids are strung together one-by-one to make proteins,” Nikhil Naik, the Director of AI Research at Salesforce Research,. The team applied "neural language modeling to proteins for generating realistic yet novel protein sequences.”

The study was based on training the model with 280 million protein sequences from over 19,000 families, which was "augmented with control tags specifying protein properties.", using conditional language models by the team allows for significantly more control over what types of sequences are generated, making them more helpful in designing proteins with specific properties.

 

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