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Scientists design proteins that confound coronavirus

9 Sep 2020, 19:49 UTC
Scientists design proteins that confound coronavirus
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Imagine being able to ward off COVID-19 just by spritzing a nasal spray into your nostrils. It may not be just your imagination: Researchers at the University of Washington have designed a batch of synthetic proteins that could conceivably block the coronavirus behind this year’s pandemic from gaining a foothold.
“Although extensive clinical testing is still needed, we believe the best of these computer-generated antivirals are quite promising,” Longxing Cao, a postdoctoral scholar at UW’s Institute for Protein Design, said in a news release.
Cao is the lead author of a study about the protein-building experiment, published today by the journal Science. It’s the latest innovation to come from the emerging field of protein engineering, and the technique could revolutionize how drugs are developed to counter future pandemics.
It may not be too late to counter COVID-19 as well. “We are working to get improved versions … deployed to fight the current pandemic,” senior study author David Baker, the director of the Institute for Protein Design, told GeekWire in an email.
The technique involves creating small-molecule proteins, or mini-binders, that are custom-designed to latch onto the spiky molecular structures that are scattered around the surface of SARS-CoV-2, the virus that ...

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