A group of scientists from the University of Washington has developed an artificial intelligence (AI) model that can design new proteins, according to a paper published in the journal Science. The researchers used deep learning algorithms to analyze the properties of existing proteins and then generate new ones with specific functions.
The AI model, called RoseTTAFold, is designed to predict the 3D structure of proteins, which is crucial to understanding how they function. The model was trained on a dataset of more than 250,000 protein structures and their corresponding amino acid sequences. Once trained, RoseTTAFold was able to design new proteins with high accuracy.
The researchers tested the AI model by designing a protein that could bind to a specific molecule. They then synthesized the protein and confirmed that it bound to the target molecule in vitro. “This is a major step forward in protein design,” says Dr. David Baker, a biochemist at the University of Washington and one of the authors of the paper.
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