UPTON, NY—Scientists studying a COVID-19 coronavirus enzyme at temperatures ranging from frosty to human-body warm discovered subtle structural shifts that offer clues about how the enzyme works. The ...
Structural models of PLD3 and PLD4, enzymes that degrade nucleic acids in the cytoplasm. The enzymes' active (or binding) sites are indicated with black arrows. LA JOLLA, CA—When nucleic acids like ...
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