Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The CD curve of the SARS-CoV Omicron HR1P/HR2P complex (purple) shows a characteristic α-helix spectrum with a minimum at 208 or 222 nm. The secondary structure of 6-HB in the HR1P/HR2P mixture was unaffected by the addition of BA-4 (20 µM), as shown by the purple and red models. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)
